i2c: designware: remove HAVE_CLK build dependecy

Since 93abe8e4 (clk: add non CONFIG_HAVE_CLK routines) code using clk.h
like this platform driver need not depend on HAVE_CLK. Also, remove a
redundant clk.h include from core driver.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/Kconfig

@@ -412,7 +412,6 @@ config I2C_DESIGNWARE_CORE
 
 config I2C_DESIGNWARE_PLATFORM
 	tristate "Synopsys DesignWare Platform"
-	depends on HAVE_CLK
 	select I2C_DESIGNWARE_CORE
 	help
 	  If you say yes to this option, support will be included for the

drivers/i2c/busses/i2c-designware-core.c

@@ -26,7 +26,6 @@
  *
  */
 #include <linux/export.h>
-#include <linux/clk.h>
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/i2c.h>