Allow riscv64 for UEFI executables

Fixes kernel build issues with UKI enabled:

dracut: Architecture 'riscv64' not supported to create a UEFI executable

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

0001-Add-support-for-riscv64-UEFI.patch

@@ -0,0 +1,27 @@
+From 0842df719cfc4bdb06b17b06f7441c8c421b451d Mon Sep 17 00:00:00 2001
+From: rpm-build <rpm-build>
+Date: Tue, 26 Mar 2024 15:41:07 +0000
+Subject: [PATCH] Add support for riscv64 UEFI
+
+Signed-off-by: rpm-build <rpm-build>
+---
+ dracut.sh | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/dracut.sh b/dracut.sh
+index 9dcd661..13c32b3 100755
+--- a/dracut.sh
++++ b/dracut.sh
+@@ -1457,6 +1457,9 @@ if [[ ! $print_cmdline ]]; then
+             aarch64)
+                 EFI_MACHINE_TYPE_NAME=aa64
+                 ;;
++            riscv64)
++                EFI_MACHINE_TYPE_NAME=riscv64
++                ;;
+             *)
+                 dfatal "Architecture '${DRACUT_ARCH:-$(uname -m)}' not supported to create a UEFI executable"
+                 exit 1
+-- 
+2.44.0
+

dracut.spec

@@ -11,7 +11,7 @@
 
 Name: dracut
 Version: 059
-Release: %{baserelease}%{?dist}
+Release: %{baserelease}.0.riscv64%{?dist}
 
 Summary: Initramfs generator using udev
 
@@ -107,6 +107,10 @@ Patch19: 2540-fix-pkcs11-libcryptsetup-token-systemd-pkcs11-so-path.patch
 # https://github.com/dracutdevs/dracut/pull/2547
 Patch20: 2547-fix-pcsc-module.patch
 
+# Fix:
+# dracut: Architecture 'riscv64' not supported to create a UEFI executable
+Patch30: 0001-Add-support-for-riscv64-UEFI.patch
+
 BuildRequires: bash
 BuildRequires: git-core
 BuildRequires: pkgconfig(libkmod) >= 23
@@ -509,6 +513,9 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
 %{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
 
 %changelog
+* Tue Mar 26 2024 David Abdurachmanov <davidlt@rivosinc.com> - 059-22.0.riscv64
+- Allow riscv64 for UEFI executables
+
 * Mon Feb 12 2024 Pavel Valena <pvalena@redhat.com> - 059-22
 - Remove network-legacy module.