staging: rtl8188eu: Rework function phy_PathA_IQK_8188E()

Rename CamelCase function name and local variables.
Remove unnecessary debugging messages and local variables.

Signed-off-by: navin patidar <navin.patidar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>