imxrt117x: CM4 MU optimizations #1548

Job	Run time
call-ci / build (armv7a7-imx6ull-evk)	1m 29s
call-ci / build (armv7a9-zynq7000-qemu)	1m 41s
call-ci / build (armv7a9-zynq7000-zedboard)	1m 35s
call-ci / build (armv7a9-zynq7000-zturn)	1m 22s
call-ci / build (armv7m4-stm32l4x6-nucleo)	1m 36s
call-ci / build (armv7m7-imxrt106x-evk)	1m 35s
call-ci / build (armv7m7-imxrt117x-evk)	1m 51s
call-ci / build (host-generic-pc)	1m 5s
call-ci / build (ia32-generic-pc)	1m 12s
call-ci / build (ia32-generic-qemu)	1m 37s
call-ci / build (riscv64-generic-qemu)	1m 11s
call-ci / build (riscv64-generic-spike)	1m 14s
call-ci / run tests on emulators (armv7a9-zynq7000-qemu)	7m 41s
call-ci / run tests on emulators (host-generic-pc)	56s
call-ci / run tests on emulators (ia32-generic-qemu)	3m 59s
call-ci / run tests on hardware (armv7m7-imxrt106x-evk)	1m 53s
call-ci / run tests on hardware (armv7m7-imxrt117x-evk)	2m 11s
call-ci / run tests on hardware (armv7a9-zynq7000-zedboard)	3m 49s
call-ci / run tests on hardware (armv7m4-stm32l4x6-nucleo)	8m 26s
call-ci / notify ci team using e-mail	0s
	46m 23s

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