Merge changes from topic "st_remove_shm" into integration

* changes:
  docs(stm32mp15): mark STM32MP15_OPTEE_RSV_SHM deprecated
  feat(stm32mp15): disable OP-TEE shared memory

docs/about/release-information.rst

@@ -69,7 +69,7 @@ after which it will be removed.
 |                                | Date        | after   |                                                         |
 |                                |             | Release |                                                         |
 +================================+=============+=========+=========================================================+
-| None at this time              |             |         |                                                         |
+| STM32MP15_OPTEE_RSV_SHM        |     2.10    |   3.0   | OP-TEE manages its own memory on STM32MP15              |
 +--------------------------------+-------------+---------+---------------------------------------------------------+
 
 Removal of Deprecated Drivers

plat/st/stm32mp1/platform.mk

@@ -62,7 +62,7 @@ STM32_HEADER_VERSION_MAJOR:=	1
 STM32_HEADER_VERSION_MINOR:=	0
 
 # Add OP-TEE reserved shared memory area in mapping
-STM32MP15_OPTEE_RSV_SHM	:=	1
+STM32MP15_OPTEE_RSV_SHM	:=	0
 $(eval $(call add_defines,STM32MP15_OPTEE_RSV_SHM))
 
 STM32MP_CRYPTO_ROM_LIB :=	1