soc/intel/quark: Fix spelling error

Change Memroy to Memory in comment.

TEST=None

Change-Id: Ic57fcf962be6a302dcd7b52b9256a182577e734b
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14881
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/quark/include/soc/pci_devs.h

@@ -22,7 +22,7 @@
 #include <device/pci.h>
 #include <soc/QuarkNcSocId.h>
 
-/* DEVICE 0 (Memroy Controller Hub) */
+/* DEVICE 0 (Memory Controller Hub) */
 #define MC_BDF			PCI_DEV(PCI_BUS_NUMBER_QNC, MC_DEV, MC_FUN)
 
 /* Device IDs */