bliss: config: Make LLVM kernel compile the default

 * GCC was deprecated awhile ago, the large majority
   of devices should now be using this. Clang should
   be opt out as opposed to opt in.

Change-Id: Ie388aff8eca189663f2f615f7d059e47eaf2dce3
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
diff --git a/build/tasks/kernel.mk b/build/tasks/kernel.mk
index 29e0a41..490e0db 100644
--- a/build/tasks/kernel.mk
+++ b/build/tasks/kernel.mk
@@ -26,7 +26,7 @@
 #   TARGET_KERNEL_SELINUX_CONFIG       = SELinux defconfig, optional
 #   TARGET_KERNEL_ADDITIONAL_CONFIG    = Additional defconfig, optional
 #
-#   TARGET_KERNEL_CLANG_COMPILE        = Compile kernel with clang, defaults to false
+#   TARGET_KERNEL_CLANG_COMPILE        = Compile kernel with clang, defaults to true
 #
 #   TARGET_KERNEL_CLANG_VERSION        = Clang prebuilts version, optional, defaults to clang-stable
 #
@@ -230,7 +230,7 @@
 ifeq ($(or $(FULL_RECOVERY_KERNEL_BUILD), $(FULL_KERNEL_BUILD)),true)
 # Add host bin out dir to path
 PATH_OVERRIDE := PATH=$(KERNEL_BUILD_OUT_PREFIX)$(HOST_OUT_EXECUTABLES):$$PATH
-ifeq ($(TARGET_KERNEL_CLANG_COMPILE),true)
+ifneq ($(TARGET_KERNEL_CLANG_COMPILE),false)
     ifneq ($(TARGET_KERNEL_CLANG_VERSION),)
         KERNEL_CLANG_VERSION := clang-$(TARGET_KERNEL_CLANG_VERSION)
     else
diff --git a/config/BoardConfigKernel.mk b/config/BoardConfigKernel.mk
index e913330..f782074 100644
--- a/config/BoardConfigKernel.mk
+++ b/config/BoardConfigKernel.mk
@@ -27,7 +27,7 @@
 #                                                      aarch64-linux-android- for arm64
 #                                                      x86_64-linux-android- for x86
 #
-#   TARGET_KERNEL_CLANG_COMPILE        = Compile kernel with clang, defaults to false
+#   TARGET_KERNEL_CLANG_COMPILE        = Compile kernel with clang, defaults to true
 #   TARGET_KERNEL_NEW_GCC_COMPILE      = Compile kernel with newer version GCC, defaults to false
 #
 #   KERNEL_TOOLCHAIN_PREFIX            = Overrides TARGET_KERNEL_CROSS_COMPILE_PREFIX,
@@ -98,7 +98,7 @@
     endif
 endif
 
-ifeq ($(TARGET_KERNEL_CLANG_COMPILE),true)
+ifneq ($(TARGET_KERNEL_CLANG_COMPILE),false)
     KERNEL_CROSS_COMPILE := CROSS_COMPILE="$(KERNEL_TOOLCHAIN_PATH)"
 else
     KERNEL_CROSS_COMPILE := CROSS_COMPILE="$(CCACHE_BIN) $(KERNEL_TOOLCHAIN_PATH)"