pxa: fix wrong comment about vpac270 being the arch number

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
diff --git a/board/balloon3/balloon3.c b/board/balloon3/balloon3.c
index aa108ca..458d90c 100644
--- a/board/balloon3/balloon3.c
+++ b/board/balloon3/balloon3.c
@@ -29,7 +29,7 @@
 	dcache_disable();
 	icache_disable();
 
-	/* arch number of vpac270 */
+	/* arch number of balloon3 */
 	gd->bd->bi_arch_number = MACH_TYPE_BALLOON3;
 
 	/* adress of boot parameters */
diff --git a/board/toradex/colibri_pxa270/colibri_pxa270.c b/board/toradex/colibri_pxa270/colibri_pxa270.c
index 8d95e4d..3def0a6 100644
--- a/board/toradex/colibri_pxa270/colibri_pxa270.c
+++ b/board/toradex/colibri_pxa270/colibri_pxa270.c
@@ -23,7 +23,7 @@
 	dcache_disable();
 	icache_disable();
 
-	/* arch number of vpac270 */
+	/* arch number of Toradex Colibri PXA270 */
 	gd->bd->bi_arch_number = MACH_TYPE_COLIBRI;
 
 	/* adress of boot parameters */