pcmcia: call pcmcia_{read,write}_cis_mem with ops_mutex held

This avoids multiple lock takings in several codepaths.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --cc drivers/pcmcia/cistpl.c
Simple merge

diff --cc drivers/pcmcia/pcmcia_ioctl.c
Simple merge

diff --cc drivers/pcmcia/pcmcia_resource.c
Simple merge