board: ti: dra7xx: complex definitions should be protected with parentheses

As a standard practice complex definitions should be protected
with parentheses, as it might fail when used in a complex if
statements.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 588918f..3c16846 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -36,10 +36,10 @@
 
 #define board_is_dra74x_evm()		board_ti_is("5777xCPU")
 #define board_is_dra72x_evm()		board_ti_is("DRA72x-T")
-#define board_is_dra74x_revh_or_later() board_is_dra74x_evm() &&	\
-				(strncmp("H", board_ti_get_rev(), 1) <= 0)
-#define board_is_dra72x_revc_or_later() board_is_dra72x_evm() &&	\
-				(strncmp("C", board_ti_get_rev(), 1) <= 0)
+#define board_is_dra74x_revh_or_later() (board_is_dra74x_evm() &&	\
+				(strncmp("H", board_ti_get_rev(), 1) <= 0))
+#define board_is_dra72x_revc_or_later() (board_is_dra72x_evm() &&	\
+				(strncmp("C", board_ti_get_rev(), 1) <= 0))
 #define board_ti_get_emif_size()	board_ti_get_emif1_size() +	\
 					board_ti_get_emif2_size()