Implement SpiBus, SpiDevice for LPSPI #717

Job	Run time
format	10s
tests (imxrt-ral/imxrt1011,imxrt1010)	39s
lint-hal (imxrt-ral/imxrt1011)	22s
docs	41s
tests (imxrt-ral/imxrt1021,imxrt1020)	38s
lint-hal (imxrt-ral/imxrt1015)	26s
tests (imxrt-ral/imxrt1062,imxrt1060)	37s
lint-hal (imxrt-ral/imxrt1021)	26s
tests (imxrt-ral/imxrt1176_cm7,imxrt1170)	39s
lint-hal (imxrt-ral/imxrt1051)	1s
lint-hal (imxrt-ral/imxrt1052)	23s
lint-hal (imxrt-ral/imxrt1061)	26s
lint-hal (imxrt-ral/imxrt1062)	25s
lint-hal (imxrt-ral/imxrt1064)	23s
lint-hal (imxrt-ral/imxrt1176_cm4)	28s
lint-hal (imxrt-ral/imxrt1176_cm7)	25s
miri (imxrt-ral/imxrt1011,imxrt1010)	1m 3s
miri (imxrt-ral/imxrt1021,imxrt1020)	1m 2s
miri (imxrt-ral/imxrt1062,imxrt1060)	1m 5s
miri (imxrt-ral/imxrt1176_cm7,imxrt1170)	1m 2s
lint-log	0s
examples	0s
	11m 21s

Provide feedback