vcsm-cma fixes for lockdep warnings #3772

Job	Run time
build (bcm2835, arm, bcm2835_defconfig, kernel)	9m 13s
build (arm64, arm64, defconfig, kernel8)	38m 6s
build (bcm2711_rt, arm64, bcm2711_rt_defconfig, kernel8_rt)	44m 6s
build (bcm2711, arm64, bcm2711_defconfig, kernel8)	43m 58s
build (bcmrpi, arm, bcmrpi_defconfig, kernel)	32m 5s
build (bcm2712, arm64, bcm2712_defconfig, kernel_2712)	43m 4s
build (bcm2709, arm, bcm2709_defconfig, kernel7)	31m 20s
	4h 1m 52s

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