Revert "ARM: dts: sunxi: Use sun4i-a10-apb1-clk for sun6i/sun8i apb2 clocks."

This reverts commit 338302ae.

This is one of two commits that resulted in a boot regression.

Conflicts:
	arch/arm/boot/dts/sun6i-a31.dtsi

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: http://lkml.kernel.org/r/7h1toxr0ku.fsf@deeprootsystems.com