bts/osmo-bsc.cfg: fix deprecated BTS type 'sysmobts'

Change-Id: If2f81141707e6f2360fc57bbd5f76606294f8db8
diff --git a/bsc/osmo-bsc-vamos.cfg b/bsc/osmo-bsc-vamos.cfg
index 5842a48..07fb698 100644
--- a/bsc/osmo-bsc-vamos.cfg
+++ b/bsc/osmo-bsc-vamos.cfg
@@ -82,7 +82,7 @@
  timer t3113 10
  timer t3212 30
  bts 0
-  type sysmobts
+  type osmo-bts
   band DCS1800
   cell_identity 0
   location_area_code 1
@@ -172,7 +172,7 @@
     phys_chan_config PDCH
     hopping enabled 0
  bts 1
-  type sysmobts
+  type osmo-bts
   band DCS1800
   cell_identity 1
   location_area_code 1
@@ -262,7 +262,7 @@
     phys_chan_config PDCH
     hopping enabled 0
  bts 2
-  type sysmobts
+  type osmo-bts
   band DCS1800
   cell_identity 1
   location_area_code 2
@@ -352,7 +352,7 @@
     phys_chan_config PDCH
     hopping enabled 0
  bts 3
-  type sysmobts
+  type osmo-bts
   band DCS1800
   cell_identity 3
   location_area_code 3