at91sam9260/afeb9260: Fix SPI initialization

Commit 7ebafb7ec1a0285af8380623c009576f92583b98 introduced a mistake in the spi
init function call for those boards. This patch fixes this.

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
diff --git a/board/afeb9260/afeb9260.c b/board/afeb9260/afeb9260.c
index 94a65c2..4652672 100644
--- a/board/afeb9260/afeb9260.c
+++ b/board/afeb9260/afeb9260.c
@@ -149,7 +149,7 @@
 #ifdef CONFIG_CMD_NAND
 	afeb9260_nand_hw_init();
 #endif
-	at91_spi0_hw_init((1 << 0) || (1 << 1));
+	at91_spi0_hw_init((1 << 0) | (1 << 1));
 #ifdef CONFIG_MACB
 	afeb9260_macb_hw_init();
 #endif