doc: README.socfpga: Update for U-boot 2022.07

Update the tested Intel Quartus Software versions and highlight the major changes in this U-boot version. Signed-off-by: Lokanathan, Raaj <raaj.lokanathan@intel.com>

Author: raajloka

doc/README.socfpga

@@ -25,11 +25,11 @@ Table of Contents
 Processor	SOCFPGA Device Family	Intel Quartus Prime Pro Edition	Intel Quartus Prime Standard Edition
 --------------------------------------------------------------------------------------------------------------------------------------------
 Dual-core ARM Cortex-A9	Cyclone V	N/A	21.1
-Arria 10	22.1N/A
+Arria 10	22.3N/A
 
-Quad-core ARM Cortex-A53	Stratix 10	22.1N/A
-Agilex	22.1N/A
-eASIC N5X	22.1N/A
+Quad-core ARM Cortex-A53	Stratix 10	22.3N/A
+Agilex	22.3N/A
+eASIC N5X	22.3N/A
 
 
 2. Feature Support
@@ -70,7 +70,7 @@ Table of Contents
 3. Major Changes and Known Issues 
 ---------------------------------------------------------------------
 
-3.1 Upgraded U-boot to version v2022.04
+3.1 Upgraded U-boot to version v2022.07