hal/ia32: change I/O input parameter to u16 #1990

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 2s
call-ci / build (armv7a9-zynq7000-qemu)	1m 19s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 7s
call-ci / build (armv7a9-zynq7000-zturn)	58s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 2s
call-ci / build (armv7m7-imxrt105x-evk)	1m 23s
call-ci / build (armv7m7-imxrt106x-evk)	1m 25s
call-ci / build (armv7m7-imxrt117x-evk)	1m 25s
call-ci / build (host-generic-pc)	59s
call-ci / build (ia32-generic-pc)	1m 2s
call-ci / build (ia32-generic-qemu)	1m 12s
call-ci / build (riscv64-generic-qemu)	57s
call-ci / build (riscv64-generic-spike)	58s
call-ci / build (sparcv8leon3-gr716-mini)	52s
call-ci / test EMU (armv7a9-zynq7000-qemu)	1m 5s
call-ci / test EMU (host-generic-pc)	36s
call-ci / test EMU (ia32-generic-qemu)	3m 16s
call-ci / test EMU (riscv64-generic-qemu)	22s
call-ci / test HW (armv7a7-imx6ull-evk)	1m 34s
call-ci / test HW (armv7m7-imxrt106x-evk)	21s
call-ci / test HW (armv7m7-imxrt117x-evk)	22s
call-ci / test HW (armv7a9-zynq7000-zedboard)	18s
call-ci / test HW (armv7m4-stm32l4x6-nucleo)	19s
call-ci / tests-summary	9s
call-ci / send-notification	0s
	24m 3s

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