MLK-24554 iMX8DXL: Fix some non-A core targets issue

SPL_CMD is used only when SPL included in boot image. However, we
wrongly added it in previous patch to some non-A core targets.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit cdc5101e)

iMX8DXL/scripts/m4.mak

 flash_m4: $(MKIMG) mx8dxla0-ahab-container.img scfw_tcm.bin m4_image.bin
-	SPL_CMD="$(shell cat u-boot-spl.bin_cmd)"; \
-	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -p1 -m4 m4_image.bin 0 0x34FE0000 $$SPL_CMD $(V2X_DUMMY_OCRAM) -out flash.bin
+	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -p1 -m4 m4_image.bin 0 0x34FE0000 $(V2X_DUMMY_OCRAM) -out flash.bin
 
 flash_m4_ddr: $(MKIMG) mx8dxla0-ahab-container.img scfw_tcm.bin m4_image.bin
 	./$(MKIMG) -soc DXL -rev A0 -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -p1 -m4 m4_image.bin 0 0x88000000 $(V2X_DUMMY_DDR) -out flash.bin

iMX8DXL/scripts/misc.mak

@@ -2,12 +2,10 @@ flash_secofw flash_b0_secofw: $(MKIMG) ahabfw.bin
 	./$(MKIMG) -soc DXL -rev A0 -c -seco ahabfw.bin -out flash.bin
 
 flash_msg_block:
-	SPL_CMD="$(shell cat u-boot-spl.bin_cmd)"; \
-	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -msg_blk test_block.bin field 0x00100000 $$SPL_CMD $(V2X_DUMMY_OCRAM) -out flash.bin
+	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -msg_blk test_block.bin field 0x00100000 $(V2X_DUMMY_OCRAM) -out flash.bin
 
 flash_flexspi_msg_block: $(MKIMG) mx8dxla0-ahab-container.img scfw_tcm.bin u-boot-atf.bin $(QSPI_HEADER)
-	SPL_CMD="$(shell cat u-boot-spl.bin_cmd)"; \
-	./$(MKIMG) -soc DXL -rev A0 -dcd skip -dev flexspi -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -msg_blk test_block.bin field 0x00100000 $$SPL_CMD $(V2X_DUMMY_OCRAM) -out flash.bin
+	./$(MKIMG) -soc DXL -rev A0 -dcd skip -dev flexspi -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -msg_blk test_block.bin field 0x00100000 $(V2X_DUMMY_OCRAM) -out flash.bin
 	./$(QSPI_PACKER) $(QSPI_HEADER)
 
 flash_nand_fw: $(MKIMG) mx8dxla0-ahab-container.img scfw_tcm.bin u-boot-atf.bin

iMX8DXL/scripts/test.mak

@@ -17,6 +17,5 @@ flash_test_build_mfg flash_a0_test_build_mfg: $(MKIMG) mx8dxla0-ahab-container.i
 	./$(MKIMG) -soc DXL -rev A0 -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin -ap u-boot.bin a35 0x80000000 -m4 CM4.bin 0 0x34FE0000 -data kernel.bin 0x80280000 -data initramfs.bin 0x83100000 -data board.dtb 0x83000000 $(V2X_DUMMY_DDR) -out flash.bin
 
 flash_scfw_test flash_a0_scfw_test: $(MKIMG) mx8dxla0-ahab-container.img scfw_tcm.bin scfw_tests.bin
-	SPL_CMD="$(shell cat u-boot-spl.bin_cmd)"; \
-	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin --data scfw_tests.bin 0x100000 $$SPL_CMD $(V2X_DUMMY_OCRAM) -out flash.bin
+	./$(MKIMG) -soc DXL -rev A0 -dcd skip -append mx8dxla0-ahab-container.img -c -scfw scfw_tcm.bin --data scfw_tests.bin 0x100000 $(V2X_DUMMY_OCRAM) -out flash.bin