targets/egl-static: fix nouveau and vmwgfx for Android

drmVersion and driver specific ioctls are used to get the PCI ID from a
DRM fd.  Eexpand the mechanism to nouveau and vmwgfx, except that for
nouveau, only the vendor ID is needed, and for vmwgfx, always assume
SVGA II.
diff --git a/src/gallium/targets/egl-static/egl.c b/src/gallium/targets/egl-static/egl.c
index a7aee27..5a66e3c 100644
--- a/src/gallium/targets/egl-static/egl.c
+++ b/src/gallium/targets/egl-static/egl.c
@@ -167,6 +167,16 @@
 	 *chip_id = -1;
       }
    }
+   else if (util_strcmp(version->name, "nouveau") == 0) {
+      *vendor_id = 0x10de;
+      /* not used */
+      *chip_id = 0;
+   }
+   else if (util_strcmp(version->name, "vmwgfx") == 0) {
+      *vendor_id = 0x15ad;
+      /* assume SVGA II */
+      *chip_id = 0x0405;
+   }
 
    drmFreeVersion(version);