fix(intel): update outdated code for Linux direct boot

1. Update emif rsthdshk  macro
2. Update mailbox return status
3. Update bridge return status

Change-Id: I33905508aceb258ac8759c10079b2af977df0e0a
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
diff --git a/plat/intel/soc/agilex/bl2_plat_setup.c b/plat/intel/soc/agilex/bl2_plat_setup.c
index 36820b2..084539e 100644
--- a/plat/intel/soc/agilex/bl2_plat_setup.c
+++ b/plat/intel/soc/agilex/bl2_plat_setup.c
@@ -129,11 +129,13 @@
 
 	switch (boot_source) {
 	case BOOT_SOURCE_SDMMC:
+		NOTICE("SDMMC boot\n");
 		dw_mmc_init(&params, &mmc_info);
 		socfpga_io_setup(boot_source, PLAT_SDMMC_DATA_BASE);
 		break;
 
 	case BOOT_SOURCE_QSPI:
+		NOTICE("QSPI boot\n");
 		cad_qspi_init(0, QSPI_CONFIG_CPHA, QSPI_CONFIG_CPOL,
 			QSPI_CONFIG_CSDA, QSPI_CONFIG_CSDADS,
 			QSPI_CONFIG_CSEOT, QSPI_CONFIG_CSSOT, 0);