x86: Show the CPU physical address size with bdinfo

This is useful information so show it with the bdinfo command.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/lib/bdinfo.c b/arch/x86/lib/bdinfo.c
index 1539007..a20d095 100644
--- a/arch/x86/lib/bdinfo.c
+++ b/arch/x86/lib/bdinfo.c
@@ -22,6 +22,7 @@
 	bdinfo_print_num_l("vendor", gd->arch.x86_vendor);
 	bdinfo_print_str(" name", cpu_vendor_name(gd->arch.x86_vendor));
 	bdinfo_print_num_l("model", gd->arch.x86_model);
+	bdinfo_print_num_l("phys_addr in bits", cpu_phys_address_size());
 
 	if (IS_ENABLED(CONFIG_EFI_STUB))
 		efi_show_bdinfo();