glapi: Move to src/mapi/.

Move glapi to src/mapi/{glapi,es1api,es2api}.
diff --git a/configs/linux-opengl-es b/configs/linux-opengl-es
index 6984aa9..5e31b8c 100644
--- a/configs/linux-opengl-es
+++ b/configs/linux-opengl-es
@@ -6,7 +6,8 @@
 
 # Directories to build
 LIB_DIR = lib
-SRC_DIRS = egl glsl mesa/es gallium gallium/winsys gallium/targets
+SRC_DIRS = egl glsl mapi/es1api mapi/es2api mesa/es \
+	gallium gallium/winsys gallium/targets
 PROGRAM_DIRS = egl/eglut egl/opengles1 egl/opengles2
 
 # egl st needs this