om-3d7k.conf: fix serial console UART

diff --git a/conf/machine/om-3d7k.conf b/conf/machine/om-3d7k.conf
index 7f2cc87..95bfd40 100644 (file)
--- a/conf/machine/om-3d7k.conf
+++ b/conf/machine/om-3d7k.conf
@@ -21,7 +21,12 @@ MACHINE_EXTRA_RRECOMMENDS = "\
   kernel-modules \
 "
 
-SERIAL_CONSOLE = "115200 ttySAC2"
+# device has 4 UARTS:
+# ttySAC0: mc75 GSM modem
+# ttySAC1: NC
+# ttySAC2: NC
+# ttySAC3: serial console
+SERIAL_CONSOLE = "115200 ttySAC3"
 USE_VT = "0"
 
 # used by some images