arm-asm: Allow implicit offset 0 in input of asm_single_data_transfer_opcode
arm-asm: Allow implicit offset 0 in input of asm_single_data_transfer_opcode

mingodad/tinycc,mirror/tinycc,mirror/tinycc,mirror/tinycc,mingodad/tinycc,mingodad/tinycc,mirror/tinycc,mingodad/tinycc