Add RISC-V QEMU targets

Add new QEMU targets 'riscv32' and 'riscv64' to be able to
use runqemu script on these architectures.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: Ib4019e57a0167203fb42c2214a806709a923209a
diff --git a/meta-phosphor/conf/distro/include/phosphor-base.inc b/meta-phosphor/conf/distro/include/phosphor-base.inc
index 5b11481..f5feca1 100644
--- a/meta-phosphor/conf/distro/include/phosphor-base.inc
+++ b/meta-phosphor/conf/distro/include/phosphor-base.inc
@@ -12,7 +12,7 @@
 
 TCLIBCAPPEND = ""
 
-QEMU_TARGETS ?= "arm aarch64 i386 mips mipsel mips64 mips64el nios2 ppc x86_64"
+QEMU_TARGETS ?= "arm aarch64 i386 mips mipsel mips64 mips64el nios2 ppc riscv32 riscv64 x86_64"
 
 PREMIRRORS ??= "\
 bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \