feat(p4): Add 32MB flash size option

Author: P-R-O-C-H-Y

boards.txt

@@ -323,6 +323,8 @@ esp32p4.menu.FlashSize.2M.build.flash_size=2MB
 esp32p4.menu.FlashSize.2M.build.partitions=minimal
 esp32p4.menu.FlashSize.16M=16MB (128Mb)
 esp32p4.menu.FlashSize.16M.build.flash_size=16MB
+esp32p4.menu.FlashSize.32M=32MB (256Mb)
+esp32p4.menu.FlashSize.32M.build.flash_size=32MB
 
 esp32p4.menu.UploadSpeed.921600=921600
 esp32p4.menu.UploadSpeed.921600.upload.speed=921600