yquake2 compiling in riscv boards

It's still disabled in Config.in for these boards, until someone can
properly test it in actual hardware.

Author: protocultor

package/batocera/ports/yquake2/yquake2-rogue/yquake2-rogue.mk

@@ -17,6 +17,8 @@ ifeq ($(BR2_aarch64),y)
     YQUAKE2_ROGUE_BUILD_ARGS += YQ2_ARCH=aarch64
 else ifeq ($(BR2_arm),y)
     YQUAKE2_ROGUE_BUILD_ARGS += YQ2_ARCH=arm
+else ifeq ($(BR2_riscv),y)
+    YQUAKE2_ROGUE_BUILD_ARGS += YQ2_ARCH=riscv
 else ifeq ($(BR2_x86_64),y)
     YQUAKE2_ROGUE_BUILD_ARGS += YQ2_ARCH=x86_64
 else ifeq ($(BR2_i386),y)

package/batocera/ports/yquake2/yquake2-xatrix/yquake2-xatrix.mk

@@ -17,6 +17,8 @@ ifeq ($(BR2_aarch64),y)
     YQUAKE2_XATRIX_BUILD_ARGS += YQ2_ARCH=aarch64
 else ifeq ($(BR2_arm),y)
     YQUAKE2_XATRIX_BUILD_ARGS += YQ2_ARCH=arm
+else ifeq ($(BR2_riscv),y)
+    YQUAKE2_XATRIX_BUILD_ARGS += YQ2_ARCH=riscv
 else ifeq ($(BR2_x86_64),y)
     YQUAKE2_XATRIX_BUILD_ARGS += YQ2_ARCH=x86_64
 else ifeq ($(BR2_i386),y)

package/batocera/ports/yquake2/yquake2-zaero/yquake2-zaero.mk

@@ -17,6 +17,8 @@ ifeq ($(BR2_aarch64),y)
     YQUAKE2_ZAERO_BUILD_ARGS += YQ2_ARCH=aarch64
 else ifeq ($(BR2_arm),y)
     YQUAKE2_ZAERO_BUILD_ARGS += YQ2_ARCH=arm
+else ifeq ($(BR2_riscv),y)
+    YQUAKE2_ZAERO_BUILD_ARGS += YQ2_ARCH=riscv
 else ifeq ($(BR2_x86_64),y)
     YQUAKE2_ZAERO_BUILD_ARGS += YQ2_ARCH=x86_64
 else ifeq ($(BR2_i386),y)

package/batocera/ports/yquake2/yquake2.mk

@@ -39,6 +39,8 @@ ifeq ($(BR2_aarch64),y)
     YQUAKE2_BUILD_ARGS += YQ2_ARCH=aarch64
 else ifeq ($(BR2_arm),y)
     YQUAKE2_BUILD_ARGS += YQ2_ARCH=arm
+else ifeq ($(BR2_riscv),y)
+    YQUAKE2_BUILD_ARGS += YQ2_ARCH=riscv
 else ifeq ($(BR2_x86_64),y)
     YQUAKE2_BUILD_ARGS += YQ2_ARCH=x86_64
 else ifeq ($(BR2_i386),y)