File riscv.patch of Package efitools

Index: efitools-1.9.2/Make.rules
===================================================================
--- efitools-1.9.2.orig/Make.rules
+++ efitools-1.9.2/Make.rules
@@ -9,6 +9,8 @@ else ifeq ($(ARCH),aarch64)
 ARCH3264 =
 else ifeq ($(ARCH),arm)
 ARCH3264 =
+else ifeq ($(ARCH),riscv64)
+ARCH3264 =
 else
 $(error unknown architecture $(ARCH))
 endif
@@ -54,6 +56,11 @@ ifeq ($(ARCH),aarch64)
   LDFLAGS += --defsym=EFI_SUBSYSTEM=0x0a
   FORMAT = -O binary
 endif
+
+ifeq ($(ARCH),riscv64)
+  LDFLAGS += --defsym=EFI_SUBSYSTEM=0x0a
+  FORMAT = -O binary
+endif
 
 %.efi: %.so
 	$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym \