trivial change for mmc/Kconfig: MMC_PXA does not mean only PXA255

PXA MMC driver supports not only PXA255 but also PXA250 and newer ones
Signed-off-by: NMarcin Juszkiewicz <hrw@openembedded.org>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>

drivers/mmc/Kconfig

@@ -40,7 +40,7 @@ config MMC_ARMMMCI
 	  If unsure, say N.
 
 config MMC_PXA
-	tristate "Intel PXA255 Multimedia Card Interface support"
+	tristate "Intel PXA25x/26x/27x Multimedia Card Interface support"
 	depends on ARCH_PXA && MMC
 	help
 	  This selects the Intel(R) PXA(R) Multimedia card Interface.