arm: samsung: Migrate a number of symbols to Kconfig

- In a number of cases, use CONFIG_ARCH_EXYNOS[45] rather than
  CONFIG_EXYNOS[45]
- In other cases, test for CONFIG_ARCH_EXYNOS or CONFIG_ARCH_S5PC1XX
- Migrate specific SoC CONFIG values to Kconfig
- Use CONFIG_TARGET_x rather than CONFIG_x
- Migrate other CONFIG_EXYNOS_x symbols to Kconfig
- Reference CONFIG_EXYNOS_RELOCATE_CODE_BASE directly as EXYNOS_RELOCATE_CODE_BASE
- Rename CONFIG_S5P_PA_SYSRAM to CONFIG_SMP_PEN_ADDR to match the rest
  of U-Boot usage.

Cc: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a9f4ccc..87b210d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -5,9 +5,9 @@
 dtb-$(CONFIG_TARGET_CORVUS) += at91sam9g45-corvus.dtb
 dtb-$(CONFIG_TARGET_GURNARD) += at91sam9g45-gurnard.dtb
 
-dtb-$(CONFIG_S5PC100) += s5pc1xx-smdkc100.dtb
-dtb-$(CONFIG_S5PC110) += s5pc1xx-goni.dtb
-dtb-$(CONFIG_EXYNOS4) += exynos4210-origen.dtb \
+dtb-$(CONFIG_TARGET_SMDKC100) += s5pc1xx-smdkc100.dtb
+dtb-$(CONFIG_TARGET_S5P_GONI) += s5pc1xx-goni.dtb
+dtb-$(CONFIG_ARCH_EXYNOS4) += exynos4210-origen.dtb \
 	exynos4210-smdkv310.dtb \
 	exynos4210-universal_c210.dtb \
 	exynos4210-trats.dtb \
@@ -19,7 +19,7 @@
 
 dtb-$(CONFIG_TARGET_POPLAR) += hi3798cv200-poplar.dtb
 
-dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
+dtb-$(CONFIG_ARCH_EXYNOS5) += exynos5250-arndale.dtb \
 	exynos5250-snow.dtb \
 	exynos5250-spring.dtb \
 	exynos5250-smdk5250.dtb \