Add support for a Freescale non-CPM SPI controller

This patch adds support for the SPI controller found on Freescale PowerPC
processors such as the MCP834x family.  Additionally, a new config option,
CONFIG_HARD_SPI, is added for general purpose SPI controller use.

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/Makefile b/Makefile
index 78546cf..3cefb42 100644
--- a/Makefile
+++ b/Makefile
@@ -230,6 +230,7 @@
 LIBS += drivers/net/sk98lin/libsk98lin.a
 LIBS += drivers/pci/libpci.a
 LIBS += drivers/pcmcia/libpcmcia.a
+LIBS += drivers/spi/libspi.a
 ifeq ($(CPU),mpc83xx)
 LIBS += drivers/qe/qe.a
 endif
@@ -377,6 +378,7 @@
 TAG_SUBDIRS += drivers/qe
 TAG_SUBDIRS += drivers/rtc
 TAG_SUBDIRS += drivers/serial
+TAG_SUBDIRS += drivers/spi
 TAG_SUBDIRS += drivers/usb
 TAG_SUBDIRS += drivers/video