amdgpu/Makefile: Fix include path

When building packages for CRIU the source directory might have a
name different than 'criu'.

Fixes: checkpoint-restore#1877

Reported-by: @siris
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>

plugins/amdgpu/Makefile

@@ -2,7 +2,7 @@ PLUGIN_NAME		:= amdgpu_plugin
 PLUGIN_SOBJ		:= amdgpu_plugin.so
 
 
-PLUGIN_INCLUDE  	:= -iquote../../../criu/include
+PLUGIN_INCLUDE  	:= -iquote../../include
 PLUGIN_INCLUDE  	+= -iquote../../criu/include
 PLUGIN_INCLUDE  	+= -iquote../../criu/arch/$(ARCH)/include/
 PLUGIN_INCLUDE  	+= -iquote../../