board: ti: dra76: Add dt support

Add support for selecting proper dtb for
dra76x u-boot from FIT.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 87b7403..bd871fa 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -1115,7 +1115,9 @@
 		} else if (!strcmp(name, "dra72-evm")) {
 			return 0;
 		}
-	} else if (!is_dra72x() && !strcmp(name, "dra7-evm")) {
+	} else if (is_dra76x() && !strcmp(name, "dra76-evm")) {
+		return 0;
+	} else if (!is_dra72x() && !is_dra76x() && !strcmp(name, "dra7-evm")) {
 		return 0;
 	}