fix(BLE): Fixing clean.cordio build target (#1083)

Libraries/Cordio/platform/targets/maxim/build/cordio_lib.mk

@@ -94,7 +94,6 @@ ${CORDIO_BUILD_DIR}/${CORDIO_LIB}: ${CORDIO_C_FILES} ${PROJECTMK}
 	DUAL_CORE=$(DUAL_CORE) RISCV_CORE=$(RISCV_CORE) TRACE=${TRACE} DEBUG=${DEBUG} RTOS=${RTOS} \
 	CFG_DEV="${CFG_DEV}" PROJECTMK=${PROJECTMK} BOARD=${BOARD} MXC_OPTIMIZE_CFLAGS=${CORDIO_OPTIMIZE_CFLAGS} \
 	BT_VER=${BT_VER}
-
 
 clean.cordio:
-	@$(MAKE) -f ${CORDIO_DIR}/platform/targets/maxim/build/libCordio.mk BUILD_DIR=${CORDIO_BUILD_DIR} clean
+	@$(MAKE) -f ${CORDIO_DIR}/platform/targets/maxim/build/libCordio.mk MAXIM_PATH=${MAXIM_PATH} BUILD_DIR=${CORDIO_BUILD_DIR} clean

Libraries/Cordio/platform/targets/maxim/build/libCordio.mk

@@ -64,11 +64,11 @@ ifeq "$(BUILD_DIR)" ""
 BUILD_DIR=./Build
 endif
 
-ifeq "${LIB_DIR}" ""
-LIB_DIR := ${MAXIM_PATH}/Libraries
+ifeq "${LIBS_DIR}" ""
+LIBS_DIR := ${MAXIM_PATH}/Libraries
 endif
 
-include ${LIB_DIR}/Cordio/platform/targets/maxim/build/cordio.mk
+include ${LIBS_DIR}/Cordio/platform/targets/maxim/build/cordio.mk
 
 # Convert Cordio definitions to Maxim CMSIS definitions
 PROJ_CFLAGS     += $(addprefix -D,$(sort $(CFG_DEV))) # Remove duplicates
@@ -78,8 +78,8 @@ VPATH           += %.c $(sort $(dir $(C_FILES)))
 IPATH           += $(INC_DIRS)
 
 # Add dependencies in the Board library and the PeripheralDrivers
-IPATH += ${LIB_DIR}/MiscDrivers/PushButton
-include ${LIB_DIR}/PeriphDrivers/periphdriver.mk
+IPATH += ${LIBS_DIR}/MiscDrivers/PushButton
+include ${LIBS_DIR}/PeriphDrivers/periphdriver.mk
 
 # Use absolute paths if building within eclipse environment.
 ifeq "$(ECLIPSE)" "1"
@@ -90,4 +90,4 @@ endif
 MAKECMDGOALS=lib
 
 # Include the rules for building for this target
-include ${LIB_DIR}/CMSIS/Device/Maxim/$(TARGET_UC)/Source/$(COMPILER)/$(TARGET_LC).mk
+include ${LIBS_DIR}/CMSIS/Device/Maxim/$(TARGET_UC)/Source/$(COMPILER)/$(TARGET_LC).mk