Add touch firmware version to bugreports

Change-Id: Ib147690bd132d9fd841bddd088d44463888209db
diff --git a/dumpstate/dumpstate.c b/dumpstate/dumpstate.c
index 4b15f02..88f102f 100644
--- a/dumpstate/dumpstate.c
+++ b/dumpstate/dumpstate.c
@@ -35,4 +35,5 @@
         "/sys/devices/platform/msm_sdcc.1/mmc_host/mmc0/mmc0:0001/manfid");
     dump_file("eMMC capacity",
         "/sys/devices/platform/msm_sdcc.1/mmc_host/mmc0/mmc0:0001/sec_count");
+    dump_file("Touch firmware version", "/sys/class/switch/touch/name");
 };