pcmcia: CodingStyle fixes

Fix most of the remaining CodingStyle issues in drivers/pcmcia , which
related to wrong indent -- PCMCIA historically used 4 spaces. Also, remove
a custom min() implementation with the generic one.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c
index ac0686e..e6ab2a4 100644
--- a/drivers/pcmcia/cardbus.c
+++ b/drivers/pcmcia/cardbus.c
@@ -71,7 +71,7 @@
 	unsigned int max, pass;
 
 	s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
-	pci_fixup_cardbus(bus); 
+	pci_fixup_cardbus(bus);
 
 	max = bus->secondary;
 	for (pass = 0; pass < 2; pass++)