imx: mx6 discard 'select CPU_V7' for different targets

Discard the 'select CPU_V7' from Kconfig in arch/arm/cpu/armv7/mx6
for different targets, because ARCH_MX6 selects CPU_V7.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
1 file changed