Move "Mount /system" to the main menu.

Everyone's adding secret key combinations for this anyway, and it's
very useful when debugging.

Change-Id: Iad549452b872a7af963dd649f283ebcd3ea24234
diff --git a/device.cpp b/device.cpp
index 20a763f..af92b15 100644
--- a/device.cpp
+++ b/device.cpp
@@ -31,6 +31,7 @@
     "Apply update from SD card",
     "Wipe data/factory reset",
     "Wipe cache partition",
+    "Mount /system",
     "View recovery logs",
     "Power off",
     NULL
@@ -44,11 +45,12 @@
     case 0: return REBOOT;
     case 1: return REBOOT_BOOTLOADER;
     case 2: return APPLY_ADB_SIDELOAD;
-    case 3: return APPLY_EXT;
+    case 3: return APPLY_SDCARD;
     case 4: return WIPE_DATA;
     case 5: return WIPE_CACHE;
-    case 6: return READ_RECOVERY_LASTLOG;
-    case 7: return SHUTDOWN;
+    case 6: return MOUNT_SYSTEM;
+    case 7: return VIEW_RECOVERY_LOGS;
+    case 8: return SHUTDOWN;
     default: return NO_ACTION;
   }
 }