target-xtensa: handle cache options in the overlay tool

Cache options must be enabled for the cores that have cache to avoid
illegal instruction exceptions.
Signed-off-by: NMax Filippov <jcmvbkbc@gmail.com>

target-xtensa/overlay_tool.h

@@ -71,6 +71,12 @@
         XTENSA_OPTION_HIGH_PRIORITY_INTERRUPT) | \
     XCHAL_OPTION(XCHAL_HAVE_CCOUNT, XTENSA_OPTION_TIMER_INTERRUPT) | \
     /* Local memory, TODO */ \
+    XCHAL_OPTION(XCHAL_ICACHE_WAYS, XTENSA_OPTION_ICACHE) | \
+    XCHAL_OPTION(XCHAL_ICACHE_LINE_LOCKABLE, \
+            XTENSA_OPTION_ICACHE_INDEX_LOCK) | \
+    XCHAL_OPTION(XCHAL_DCACHE_WAYS, XTENSA_OPTION_DCACHE) | \
+    XCHAL_OPTION(XCHAL_DCACHE_LINE_LOCKABLE, \
+            XTENSA_OPTION_DCACHE_INDEX_LOCK) | \
     XCHAL_OPTION(XCHAL_UNALIGNED_LOAD_HW, XTENSA_OPTION_HW_ALIGNMENT) | \
     /* Memory protection and translation */ \
     XCHAL_OPTION(XCHAL_HAVE_MIMIC_CACHEATTR, \