ARM: omap3: beagle: Set 'mtdids' and 'mtdparts' in board file

BeagleBoard 'xM' does not really have NAND. CONFIG_MTDIDS_DEFAULT and
CONFIG_MTDPARTS_DEFAULT can/should be empty for 'xM'. This commit sets
the defined values if they exist.
Signed-off-by: NDerald D. Woods <woods.technical@gmail.com>

board/ti/beagle/beagle.c

@@ -521,6 +521,14 @@ int misc_init_r(void)
 	if (generate_fake_mac)
 		omap_die_id_usbethaddr();
 
+#if defined(CONFIG_MTDIDS_DEFAULT) && defined(CONFIG_MTDPARTS_DEFAULT)
+	if (strlen(CONFIG_MTDIDS_DEFAULT))
+		env_set("mtdids", CONFIG_MTDIDS_DEFAULT);
+
+	if (strlen(CONFIG_MTDPARTS_DEFAULT))
+		env_set("mtdparts", CONFIG_MTDPARTS_DEFAULT);
+#endif
+
 	return 0;
 }