cf_spi.c: Rename CONFIG_SPI_IDLE_VAL to SPI_IDLE_VAL

This value is never changed by boards, so just rename it to
SPI_IDLE_VAL to fit with the rest of the code.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/spi/cf_spi.c b/drivers/spi/cf_spi.c
index ea23357..1a841b5 100644
--- a/drivers/spi/cf_spi.c
+++ b/drivers/spi/cf_spi.c
@@ -32,11 +32,11 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifndef CONFIG_SPI_IDLE_VAL
+#ifndef SPI_IDLE_VAL
 #if defined(CONFIG_SPI_MMC)
-#define CONFIG_SPI_IDLE_VAL	0xFFFF
+#define SPI_IDLE_VAL	0xFFFF
 #else
-#define CONFIG_SPI_IDLE_VAL	0x0
+#define SPI_IDLE_VAL	0x0
 #endif
 #endif
 
@@ -184,7 +184,7 @@
 			}
 
 			if (din) {
-				cfspi_tx(cfspi, ctrl, CONFIG_SPI_IDLE_VAL);
+				cfspi_tx(cfspi, ctrl, SPI_IDLE_VAL);
 				if (cfspi->charbit == 16)
 					*spi_rd16++ = cfspi_rx(cfspi);
 				else
@@ -208,7 +208,7 @@
 		}
 
 		if (din) {
-			cfspi_tx(cfspi, ctrl, CONFIG_SPI_IDLE_VAL);
+			cfspi_tx(cfspi, ctrl, SPI_IDLE_VAL);
 			if (cfspi->charbit == 16)
 				*spi_rd16 = cfspi_rx(cfspi);
 			else
@@ -216,7 +216,7 @@
 		}
 	} else {
 		/* dummy read */
-		cfspi_tx(cfspi, ctrl, CONFIG_SPI_IDLE_VAL);
+		cfspi_tx(cfspi, ctrl, SPI_IDLE_VAL);
 		cfspi_rx(cfspi);
 	}