staging: rtl8188eu: Rename hal_EfusePgPacketWrite_8188e()

Rename hal_EfusePgPacketWrite_8188e() to Efuse_PgPacketWrite()
and remove original Efuse_PgPacketWrite() function,
so that driver can call hal_EfusePgPacketWrite_8188e() directly
without going through Efuse_PgPacketWrite().

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