[ARM] pxa: use generic gpio_get_value() instead of READ_GPIO_BIT()

READ_GPIO_BIT() is no way generic by accessing GPIO registers directly,
replace it with gpio_get_value().
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/corgi_pm.c

@@ -134,11 +134,11 @@ unsigned long corgipm_read_devdata(int type)
 	case SHARPSL_STATUS_ACIN:
 		return ((GPLR(CORGI_GPIO_AC_IN) & GPIO_bit(CORGI_GPIO_AC_IN)) != 0);
 	case SHARPSL_STATUS_LOCK:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock);
 	case SHARPSL_STATUS_CHRGFULL:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull);
 	case SHARPSL_STATUS_FATAL:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_fatal);
 	case SHARPSL_ACIN_VOLT:
 		return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT);
 	case SHARPSL_BATT_TEMP:

arch/arm/mach-pxa/spitz_pm.c

@@ -178,11 +178,11 @@ unsigned long spitzpm_read_devdata(int type)
 	case SHARPSL_STATUS_ACIN:
 		return (((~GPLR(SPITZ_GPIO_AC_IN)) & GPIO_bit(SPITZ_GPIO_AC_IN)) != 0);
 	case SHARPSL_STATUS_LOCK:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batlock);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_batlock);
 	case SHARPSL_STATUS_CHRGFULL:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_batfull);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_batfull);
 	case SHARPSL_STATUS_FATAL:
-		return READ_GPIO_BIT(sharpsl_pm.machinfo->gpio_fatal);
+		return gpio_get_value(sharpsl_pm.machinfo->gpio_fatal);
 	case SHARPSL_ACIN_VOLT:
 		return sharpsl_pm_pxa_read_max1111(MAX1111_ACIN_VOLT);
 	case SHARPSL_BATT_TEMP: