mmc: Add OpenFirmware bindings for SDHCI driver

This patch adds a new driver: sdhci-of. The driver is similar to
the sdhci-pci, it contains common probe code, and controller-specific
ops and quirks.

So far there are only Freescale eSDHC ops and quirks.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/MAINTAINERS b/MAINTAINERS
index d17916c..01cf1ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3843,6 +3843,13 @@
 L:	sdhci-devel@lists.ossman.eu
 S:	Maintained
 
+SECURE DIGITAL HOST CONTROLLER INTERFACE, OPEN FIRMWARE BINDINGS (SDHCI-OF)
+P:	Anton Vorontsov
+M:	avorontsov@ru.mvista.com
+L:	linuxppc-dev@ozlabs.org
+L:	sdhci-devel@lists.ossman.eu
+S:	Maintained
+
 SECURITY SUBSYSTEM
 F:	security/
 P:	James Morris