revert the change to rofsbuild image format, but add checking codes to prevent address overflow
VARIANT groupA
EXTENDS default
# grouping node
VIRTUAL
# Add to parent paths
BUILD_INCLUDE append /epoc32/include/groupA/build
# Append ROM_INCLUDE to parent
ROM_INCLUDE append /epoc32/include/groupA/rom
VARIANT_HRH /epoc32/include/e32std.h