ARM: tegra: Enable UART-E for T20 and T30

T20 and T30 have 5 UARTs, while T114+ have only 4. Fix this by
adding missing UARTE Kconfig for T20/T30.

Signed-off-by: Jonas Schwöbel <jonasschwoebel@yahoo.de>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 05e194d..0461289 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -219,6 +219,10 @@
 config TEGRA_ENABLE_UARTD
 	bool "Use UARTD"
 
+config TEGRA_ENABLE_UARTE
+	bool "Use UARTE"
+	depends on TEGRA20 || TEGRA30
+
 endchoice
 
 config TEGRA_GPU