fix(brcm): add braces around bodies of conditionals

On release builds EMMC_TRACE doesn't expand to anything. Some
conditionals with no braces end up with empty bodies. This produces a
warning when compiling with -Werror=empty-body (enabled by -Wextra).

Since TF-A coding guidelines require braces to comply with MISRA
guidelines anyway, add them in the whole file.

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: Ib4e691efc7acdb8fb8692278c7a9772fc894f77f
diff --git a/drivers/brcm/emmc/emmc_csl_sdcard.c b/drivers/brcm/emmc/emmc_csl_sdcard.c
index 9e2c618..40bc4a0 100644
--- a/drivers/brcm/emmc/emmc_csl_sdcard.c
+++ b/drivers/brcm/emmc/emmc_csl_sdcard.c
@@ -479,10 +479,11 @@
 			handle->device->cfg.blockSize = 512;
 		}
 
-		if (handle->device->ctrl.ocr & SD_CARD_HIGH_CAPACITY)
+		if (handle->device->ctrl.ocr & SD_CARD_HIGH_CAPACITY) {
 			EMMC_TRACE("Sector addressing\n");
-		else
+		} else {
 			EMMC_TRACE("Byte addressing\n");
+		}
 
 		EMMC_TRACE("Ext_CSD_storage[162]: 0x%02X  Ext_CSD_storage[179]: 0x%02X\n",
 			   emmc_global_buf_ptr->u.Ext_CSD_storage[162],