ARM: EXYNOS: Do not select legacy Kconfig symbols any more

This patch removes selection of several legacy Kconfig symbols from
ARCH_EXYNOS to bypass compilation of code used only for ATAGS based
boot.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/Kconfig

@@ -802,15 +802,11 @@ config ARCH_EXYNOS
 	select COMMON_CLK
 	select CPU_V7
 	select GENERIC_CLOCKEVENTS
-	select GPIO_SAMSUNG
 	select HAVE_CLK
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select HAVE_S3C_RTC if RTC_CLASS
-	select NEED_MACH_GPIO_H
 	select NEED_MACH_MEMORY_H
-	select S5P_GPIO_DRVSTR
-	select SAMSUNG_ATAGS
 	select USE_OF
 	help
 	  Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)