package/xvisor: add riscv support

riscv is supported since version 0.3.0 and
https://github.com/xvisor/xvisor/commit/d6feda4e80eefd372294b081111ce709d08ee4c0

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/xvisor/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_XVISOR_ARCH_SUPPORTS
 	bool
 	default y if BR2_aarch64
 	default y if BR2_cortex_a7 || BR2_cortex_a12 || BR2_cortex_a15 || BR2_cortex_a17
+	default y if BR2_riscv
 	default y if BR2_x86_64
 	depends on BR2_USE_MMU
 
@@ -34,6 +35,8 @@ config BR2_PACKAGE_XVISOR_DEFCONFIG
 	string "Defconfig name"
 	default "generic-v7-ve" if BR2_ARM_CPU_ARMV7A
 	default "generic-v8" if BR2_aarch64
+	default "generic-32b" if BR2_RISCV_32
+	default "generic-64b" if BR2_RISCV_64
 	default "x86_64_generic" if BR2_x86_64
 	depends on BR2_PACKAGE_XVISOR_USE_DEFCONFIG
 	help

package/xvisor/xvisor.mk

@@ -32,6 +32,8 @@ ifeq ($(BR2_x86_64),y)
 XVISOR_ARCH = x86
 else ifeq ($(BR2_arm)$(BR2_aarch64),y)
 XVISOR_ARCH = arm
+else ifeq ($(BR2_riscv),y)
+XVISOR_ARCH = riscv
 endif
 
 ifeq ($(BR2_PACKAGE_XVISOR)$(BR_BUILDING),yy)