Initial commit of porting efforts from Rigado

arch/arm/cpu/armv7/mx6/Kconfig

board/rigado/common/Makefile

board/rigado/common/arm_sleep.c

board/rigado/common/cadmus.c

board/rigado/common/cadmus.h

board/rigado/common/cds_pci_ft.c

board/rigado/common/cds_via.c

board/rigado/common/cmd_esbc_validate.c

board/rigado/common/dcu_sii9022a.c

board/rigado/common/dcu_sii9022a.h

board/rigado/common/diu_ch7301.c

board/rigado/common/diu_ch7301.h

board/rigado/common/eeprom.h

board/rigado/common/epdc_setup.c

board/rigado/common/fman.c

board/rigado/common/fman.h

board/rigado/common/fsl_chain_of_trust.c

board/rigado/common/fsl_validate.c

board/rigado/common/ics307_clk.c

board/rigado/common/ics307_clk.h