arm: Migrate GICV2 / GICV3 to Kconfig

Migrate CONFIG_GICV2 and CONFIG_GICV3 to Kconfig.  We still have the GIC
related registers that need to be handled more cleanly but start by
moving this symbol to Kconfig.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 478c7a9..3112664 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -124,6 +124,7 @@
 
 config TEGRA210
 	bool "Tegra210 family"
+	select GICV2
 	select TEGRA_ARMV8_COMMON
 	select TEGRA_CLKRST
 	select TEGRA_GPIO
@@ -137,6 +138,7 @@
 config TEGRA186
 	bool "Tegra186 family"
 	select DM_MAILBOX
+	select GICV2
 	select TEGRA186_BPMP
 	select TEGRA186_CLOCK
 	select TEGRA186_GPIO