ARM: exynos: Enable exynos-chipid driver

As now we have Chipid driver to initialize and expose SoC related
information let's include it in build by default.
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/mach-exynos/Kconfig

@@ -13,6 +13,7 @@ menuconfig ARCH_EXYNOS
 	select ARM_AMBA
 	select ARM_GIC
 	select COMMON_CLK_SAMSUNG
+	select EXYNOS_CHIPID
 	select EXYNOS_THERMAL
 	select EXYNOS_PMU
 	select EXYNOS_SROM