Increase ITCM_LENGTH

Increase Default ITCM_LENGTH to 512K (though the max limit is 1M). 512K would cover most of scenarios.

BUG: 214092253
Change-Id: I7921fe8946df818e3a2f80b25de696f237970cc6

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7070ba7..7ba311b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@
 #-------------------------------------------------------------------------------
 set(DTCM_LENGTH "16M" CACHE STRING "DTCM Length (default: 16M)")
 add_link_options("LINKER:--defsym=__dtcm_length__=${DTCM_LENGTH}")
-set(ITCM_LENGTH "256K" CACHE STRING "ITCM (I-mem) Length (default: 256K)")
+set(ITCM_LENGTH "512K" CACHE STRING "ITCM (I-mem) Length (default: 512K)")
 add_link_options("LINKER:--defsym=__itcm_length__=${ITCM_LENGTH}")
 set(STACK_SIZE "10K" CACHE STRING "Stack size (default: 10K)")
 add_link_options("LINKER:--defsym=__stack_size__=${STACK_SIZE}")