nvidia/tegra210: Drop unused Kconfig symbol

The deleted symbols aren't used anywhere in the coreboot tree and come from
the downstream chromeos-2013.04 branch.

Change-Id: I0ebc2936dff400cf8fe68794c86ac583aba2a14b
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10752
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/soc/nvidia/tegra210/Kconfig

@@ -13,10 +13,7 @@ config SOC_NVIDIA_TEGRA210
 	select GENERIC_UDELAY
 	select HAVE_HARD_RESET
 	select HAVE_UART_SPECIAL
-	select HAVE_UART_MEMORY_MAPPED
-	select EARLY_CONSOLE
 	select ARM_BOOTBLOCK_CUSTOM
-	select DYNAMIC_CBMEM
 	select ARM64_USE_ARM_TRUSTED_FIRMWARE
 	select HAS_PRECBMEM_TIMESTAMP_REGION
 	select CHROMEOS_RAMOOPS_NON_ACPI