!24 Enable build on riscv64

From: @misaka00251 
Reviewed-by: @Charlie_li 
Signed-off-by: @Charlie_li

gnu-efi.spec

@@ -1,7 +1,7 @@
 %define debug_package %{nil}
 Name:          gnu-efi
 Version:       3.0.17
-Release:       2
+Release:       3
 Summary:       Development Libraries and headers for EFI
 Epoch:         1
 License:       BSD
@@ -23,7 +23,9 @@ Patch1:        0001-gnu-efi-add-CHAR16-for-loongarch64.patch
 %ifarch loongarch64
 %global efiarch loongarch64
 %endif
-
+%ifarch riscv64
+%global efiarch riscv64
+%endif
 
 Provides:  %{name}-utils = %{epoch}:%{version}-%{release}
 Obsoletes: %{name}-utils < %{epoch}:%{version}-%{release}
@@ -83,6 +85,9 @@ mv ia32/apps/{route80h.efi,modelist.efi} %{buildroot}/boot/efi/EFI/%{efidir}/ia3
 %{_includedir}/efi
 
 %changelog
+* Wed Jul 19 2023 misaka00251 <liuxin@iscas.ac.cn> - 1:3.0.17-3
+- Enable build on riscv64
+
 * Thu Jul 6 2023 doupengda <doupengda@loongson.cn> - 1:3.0.17-2
 - gnu-efi add CHAR16 for loongarch64