Instead of maintaining 3 very similar subtargets merge them into one.
This does not use the Arm NEON extension any more, because the SAMA5D3
does not support NEON.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Sandeep Sheriker <sandeepsheriker.mallikarjun@microchip.com>