lib/spd: Demote log about using default DDR4 params to NOTICE

Demote log level from error to notice. People should aware the SPD
decode might be wrong if it's not the support type.

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: I55f0968b78baaa2fc9a6bbebf6712fb8bfd349f6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

src/lib/spd_bin.c

@@ -39,7 +39,7 @@ static bool use_ddr4_params(int dram_type)
 	case SPD_DRAM_LPDDR4X:
 		return true;
 	default:
-		printk(BIOS_ERR, "Defaulting to using DDR4 params. Please add dram_type check for %d to %s\n",
+		printk(BIOS_NOTICE, "Defaulting to using DDR4 params. Please add dram_type check for %d to %s\n",
 			dram_type, __func__);
 		return true;
 	}