clk: sunxi-ng: h3: Fix Kconfig symbol typo

The Kconfig symbol for the sun8i SoC family was mistyped. Fix that.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160711203448.18062-2-maxime.ripard@free-electrons.com