nx: Don't build seperate recovery and OS kernels

* This is really only needed on devkits to allow
  recovery flashed to `LNX` as opposed to `SOS` to
  actually boot.

Change-Id: I238f356a0bee74ba2b6b60168d3b072ad490a796

BoardConfig.mk

@@ -48,7 +48,6 @@ WITH_LINEAGE_CHARGER := false
 # Kernel
 TARGET_KERNEL_SOURCE           := kernel/nvidia/kernel-$(TARGET_TEGRA_KERNEL)
 TARGET_KERNEL_CONFIG           := tegra_android_defconfig
-TARGET_KERNEL_RECOVERY_CONFIG  := tegra_android_recovery_defconfig
 BOARD_KERNEL_IMAGE_NAME        := Image.gz
 TARGET_KERNEL_ADDITIONAL_FLAGS := "NV_BUILD_KERNEL_OPTIONS=$(TARGET_TEGRA_KERNEL)"
 

twrp/twrp.mk

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-TARGET_KERNEL_CONFIG   := tegra_android_recovery_defconfig
+TARGET_KERNEL_CONFIG   := tegra_android_defconfig
 BOARD_KERNEL_CMDLINE   := androidboot.selinux=permissive
 BOARD_RAMDISK_USE_LZMA := true