drm/omap: include gpio/consumer.h where needed

A lot of the display drivers for OMAP use the gpio descriptor functions
that are only available in linux/gpio.h if GPIOLIB is enabled and
otherwise produce a build error:

drivers/gpu/drm/omapdrm/displays/encoder-opa362.c: In function 'opa362_enable':
drivers/gpu/drm/omapdrm/displays/encoder-opa362.c:101:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration]
drivers/gpu/drm/omapdrm/displays/panel-dpi.c: In function 'panel_dpi_probe_pdata':
drivers/gpu/drm/omapdrm/displays/panel-dpi.c:189:23: error: implicit declaration of function 'gpio_to_desc' [-Werror=implicit-function-declaration]
drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c: In function 'sharp_ls_enable':
drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c:120:3: error: implicit declaration of function 'gpiod_set_value_cansleep' [-Werror=implicit-function-declaration]

This replaces the existing linux/gpio.h with linux/gpio/consumer.h
where needed. In case of panel-lgphilips-lb035q02.c however, we
also have to include linux/gpio.h to get the definition of gpio_is_valid
and gpio_set_value_cansleep that are used for the non-DT case.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[tomi.valkeinen@ti.com: resolved conflicts]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/displays/connector-hdmi.c

@@ -9,6 +9,7 @@
  * the Free Software Foundation.
  */
 
+#include <linux/gpio/consumer.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>

drivers/gpu/drm/omapdrm/displays/encoder-opa362.c

@@ -14,7 +14,6 @@
  * the Free Software Foundation.
  */
 
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>

drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c

@@ -9,7 +9,7 @@
  * the Free Software Foundation.
  */
 
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>

drivers/gpu/drm/omapdrm/displays/panel-dpi.c

@@ -9,7 +9,6 @@
  * the Free Software Foundation.
  */
 
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -14,7 +14,7 @@
 #include <linux/backlight.h>
 #include <linux/delay.h>
 #include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/jiffies.h>
 #include <linux/module.h>

drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c

@@ -15,7 +15,7 @@
 #include <linux/delay.h>
 #include <linux/spi/spi.h>
 #include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/of_gpio.h>
 
 #include <video/omapdss.h>

drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c

@@ -10,7 +10,6 @@
  */
 
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/of.h>

drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c

@@ -29,7 +29,7 @@
 #include <linux/sched.h>
 #include <linux/backlight.h>
 #include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 

drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c

@@ -14,7 +14,7 @@
 #include <linux/delay.h>
 #include <linux/spi/spi.h>
 #include <linux/regulator/consumer.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/of_gpio.h>