phy: fix semicolon.cocci warnings

Remove unneeded semicolon.

Generated by: coccinellery/semicolon/semicolon.cocci

Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>