arm: ep9315: Return back Cirrus Logic EDB9315A board support

This patch returns back support for old ep93xx processors family

Signed-off-by: Sergey Kostanbaev <sergey.kostanbaev@gmail.com>
Cc: albert.u.boot@aribaud.net
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index b587308..f02c35a 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -8,6 +8,7 @@
 # There are many options which enable SPI, so make this library available
 obj-y += spi.o
 
+obj-$(CONFIG_EP93XX_SPI) += ep93xx_spi.o
 obj-$(CONFIG_ALTERA_SPI) += altera_spi.o
 obj-$(CONFIG_ANDES_SPI) += andes_spi.o
 obj-$(CONFIG_ARMADA100_SPI) += armada100_spi.o