Gregory Nutt
06f132c5d0
Brings in WIP port for the Maxim Integrated MAX326xx MCU family. Not really very much in place yet so marked EXPERIMENTAL in Kconfig file.
Squashed commit of the following:
Update a README. Mark MAX326XX as EXPERIMENTAL before bringing into master.
arch/arm/src/max326xx/chip: Add MAX32660 TMR register definition header files.
arch/arm/src/max326xx/chip: Add MAX32660 WDT register definition header files.
arch/arm/src/max326xx/chip: Add MAX32660 RTC register definition header files.
arch/arm/src/max326xx/chip: Add MAX32660 UART register definition header files.
arch/arm/src/max326xx/chip: Add DMA register definition header files.
Update some comments explaining what is meant by a 'chip family'
arch/arm/src/max326xx/chip: Add GPIO register definition header files.
arch/arm/src/max326xx/chip: Add FLC register definition header files.
arch/arm/src/max326xx/chip: Add FCR, PWRSEQ, and SIR register definition header files.
arch/arm/src/max326xx/chip: Add ICC register definition header file.
arch/arm/src/max326xx/chip: Add memory map header files.
arch/arm/include/max326xx: Minor fleshing out.
arch/arm/arm/include/max326xx: Add basic support for Maxim MAX326xx family. arch/arm/Kconfig and arch/arm/src/max326xx/Kconfig: Add basic condiguration support for the MAX326xx.