remove lib/CMSIS_4 submodule, move nrf to lib/CMSIS_5

.gitmodules

@@ -22,9 +22,6 @@
 [submodule "lib/lwip"]
 	path = lib/lwip
 	url = https://github.com/lwip-tcpip/lwip.git
-[submodule "lib/CMSIS_4"]
-	path = lib/CMSIS_4
-	url = https://github.com/ARM-software/CMSIS.git
 [submodule "hw/mcu/st/cmsis_device_f4"]
 	path = hw/mcu/st/cmsis_device_f4
 	url = https://github.com/STMicroelectronics/cmsis_device_f4.git
@@ -113,7 +110,6 @@
 	path = hw/mcu/raspberrypi/pico-sdk
 	url = https://github.com/raspberrypi/pico-sdk.git
 	fetchRecurseSubmodules = false
-
 [submodule "lib/FreeRTOS-Kernel"]
 	path = lib/FreeRTOS-Kernel
 	url = https://github.com/FreeRTOS/FreeRTOS-Kernel.git

examples/device/cdc_msc/ses/nrf5x/nrf5x.emProject

@@ -21,7 +21,7 @@
       build_treat_warnings_as_errors="Yes"
       c_additional_options="-Wno-error=undef;-Wno-error=unused-parameter;-Wno-error=cast-align;-Wno-error=cast-function-type"
       c_preprocessor_definitions="NRF52840_XXAA;__nRF_FAMILY;ARM_MATH_CM4;FLASH_PLACEMENT=1;CFG_TUSB_MCU=OPT_MCU_NRF5X;CFG_TUSB_DEBUG=1"
-      c_user_include_directories="../../src;$(rootDir)/lib/CMSIS_4/CMSIS/Include;$(rootDir)/hw;$(rootDir)/src;$(nrfxDir)/..;$(nrfxDir);$(nrfxDir)/mdk;$(nrfxDir)/hal;$(nrfxDir)/drivers/include;$(nrfxDir)/drivers/src"
+      c_user_include_directories="../../src;$(rootDir)/lib/CMSIS_5/CMSIS/Core/Include;$(rootDir)/hw;$(rootDir)/src;$(nrfxDir)/..;$(nrfxDir);$(nrfxDir)/mdk;$(nrfxDir)/hal;$(nrfxDir)/drivers/include;$(nrfxDir)/drivers/src"
       debug_register_definition_file="nrf52840_Registers.xml"
       debug_target_connection="J-Link"
       gcc_enable_all_warnings="Yes"

hw/bsp/nrf/family.mk

@@ -40,7 +40,7 @@ SRC_C += \
 
 INC += \
   $(TOP)/$(BOARD_PATH) \
-  $(TOP)/lib/CMSIS_4/CMSIS/Include \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
   $(TOP)/hw/mcu/nordic \
   $(TOP)/hw/mcu/nordic/nrfx \
   $(TOP)/hw/mcu/nordic/nrfx/mdk \

lib/CMSIS_4

@@ -1 +0,0 @@
-Subproject commit f2cad4345783c948ed4a7f5cdb02cdc0856366f1