Tegra: spi: Move TEGRA114_SPI switch to defconfigs

All T114+ Tegra boards should be using the Kconfig
TEGRA114_SPI switch. Remove it from include/config
and put it into defconfig. Also removed unused
TEGRA114_SPI_CTRLS from T114+ configs.

All Tegra SoCs build OK with this change.

Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/configs/dalmore_defconfig b/configs/dalmore_defconfig
index e7443f8..2d80247 100644
--- a/configs/dalmore_defconfig
+++ b/configs/dalmore_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NFS is not set
 CONFIG_SPL_DM=y
+CONFIG_TEGRA114_SPI=y
 CONFIG_SPI_FLASH=y
 CONFIG_USB=y
 CONFIG_DM_USB=y