app: kconfig: allow FLIX generation

This sets the toolchain kconfig to allow generating FLIX
instructions as it is disabled by default on Zephyr upstream.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>

Author: dcpleung

app/Kconfig

@@ -4,6 +4,11 @@ config SCHED_CPU_MASK_PIN_ONLY
 config SMP_BOOT_DELAY
 	default y if SMP
 
+# Allow compiler to determine whether to generate FLIX instructions.
+choice COMPILER_CODEGEN_VLIW
+        default COMPILER_CODEGEN_VLIW_AUTO if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "xt-clang"
+endchoice
+
 source "Kconfig.zephyr"
 
 if SOC_FAMILY_INTEL_ADSP

west.yml

@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: c1a2b3be459d4f34d31ae54774fd57e96438d237
+      revision: 96d9db95de80ece9ae434cab1336fb5c07863cf5
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision