arm: stm32mp: add Rev.Y and Rev.X support for STM32MP23

Add the display of STM32MP23 SoC revision Y or X.

Change-Id: I0c6985bac72a13a9024c4de9bcb11ec4bf391c5f
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/u-boot/+/462914
ACI: CITOOLS <MDG-smet-aci-reviews@list.st.com>
Reviewed-by: Patrice CHOTARD <patrice.chotard@foss.st.com>
Domain-Review: Patrice CHOTARD <patrice.chotard@foss.st.com>
ACI: CIBUILD <MDG-smet-aci-builds@list.st.com>

Author: Yann-lms

arch/arm/mach-stm32mp/stm32mp2/stm32mp23x.c

@@ -162,6 +162,12 @@ void get_soc_name(char name[SOC_NAME_SIZE])
 		case OTP_REVID_2:
 			cpu_r = "B";
 			break;
+		case OTP_REVID_2_1:
+			cpu_r = "Y";
+			break;
+		case OTP_REVID_2_2:
+			cpu_r = "X";
+			break;
 		default:
 			break;
 		}