Tegra194: smmu: fix mask for board revision id

Need to use bitwise & instead of condition &&.

Change-Id: I8f70aac95d116188ba972f3d38b02e1d3dd32acb
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>

plat/nvidia/tegra/soc/t194/plat_smmu.c

@@ -428,7 +428,7 @@ uint32_t plat_get_num_smmu_devices(void)
 {
 	uint32_t ret_num = MAX_NUM_SMMU_DEVICES;
 	uint32_t board_revid = ((tegra_misc_read_32(MISCREG_EMU_REVID) >> \
-							BOARD_SHIFT_BITS) && BOARD_MASK_BITS);
+							BOARD_SHIFT_BITS) & BOARD_MASK_BITS);
 
 	if (board_revid == BOARD_SYSTEM_FPGA_BASE) {
 		ret_num = BASE_CONFIG_SMMU_DEVICES;