Include:Arm support matrix

|- | rowspan="3" |ARM || armhf || 32 bit ARM with hard-float ABI - for ARMv6 devices- Raspberry Pi 1, Zero, ZeroW, cm1 (defconfig bcmrpi) || v3.0 |- | | armv7 || 32 bit ARM - for ARMv7 devices - Raspberry Pi 2, 3, 3+, Zero2W, cm3, cm3+ (defconfig bcm2709) || v3.9 |- | | aarch64 || 64 bit ARM - for ARMv8+ devices - Raspberry Pi 3, 3+, 4, 400, Zero2W, cm3, cm3+, cm4, 5, 500, 500+, cm5 (defconfig bcm2711) || v3.5