net: phy: mediatek-ge-soc: Fix coding style

This patch fixes spelling errors, re-arrange vars with
reverse Xmas tree and remove unnecessary parens in
mediatek-ge-soc.c.

Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>