ARM: mmc: Remove unsupported pdata GPIO numbers

commit  e60797765faa5241e7e57c08da33749ac2a5a8da from
https://github.com/axxia/linux-yocto.git axxia-linux/v5.10/standard/axxia-dev/base

Support for passing global GPIO numbers through platform data
was dropped starting with commit 9ef986a6

 ("mmc: mmci: Drop
support for pdata GPIO numbers").

Signed-off-by: Daniel Dragomir <Daniel.Dragomir@windriver.com>
Signed-off-by: John Jacques <john.jacques@intel.com>
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>