Merge changes from topic "assert_boolean_set" into integration

* changes:
  build!: check boolean flags are not empty
  fix(build): add a default value for INVERTED_MEMMAP
  fix(a5ds): add default value for ARM_DISABLE_TRUSTED_WDOG
  fix(st-crypto): move flag control into source code
  fix(stm32mp1): always define PKA algos flags
  fix(stm32mp1): remove boolean check on PLAT_TBBR_IMG_DEF

diff --cc Makefile
Simple merge

diff --cc make_helpers/build_macros.mk
Simple merge