fix QEMU OS tests

- update strings which were modified by the message text "compression"
- updated QEMU which supports a couple of additional registers for LM4F
(getting internal oscillator calibration status and writing timer
counter through TAV)

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=chrome-os-partner:10008
TEST=make qemu-tests

Change-Id: Idf0ee13f354b4e14405e949861d426f3e4c3022b
Reviewed-on: https://gerrit.chromium.org/gerrit/24827
Reviewed-by: Vic Yang <victoryang@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>

test/hello.py

@@ -6,10 +6,10 @@
 #
 
 def test(helper):
-      helper.wait_output("--- Chrome EC initialized")
+      helper.wait_output("--- UART initialized")
       helper.ec_command("version")
-      ro = helper.wait_output("RO version:\s*(?P<ro>\S+)", use_re=True)["ro"]
-      wa = helper.wait_output("RW-A version:\s*(?P<a>\S+)", use_re=True)["a"]
-      wb = helper.wait_output("RW-B version:\s*(?P<b>\S*)", use_re=True)["b"]
+      ro = helper.wait_output("RO:\s*(?P<ro>\S+)", use_re=True)["ro"]
+      wa = helper.wait_output("RW-A:\s*(?P<a>\S+)", use_re=True)["a"]
+      wb = helper.wait_output("RW-B:\s*(?P<b>\S*)", use_re=True)["b"]
       helper.trace("Version (RO/A/B) %s / %s / %s\n" % (ro, wa, wb))
       return True # PASS !

test/timer_calib.py

@@ -39,7 +39,7 @@ def test(helper):
       one_pass(helper)
 
       helper.ec_command("reboot")
-      helper.wait_output("--- Chrome EC initialized")
+      helper.wait_output("--- UART initialized")
 
       # get the timing results on the second pass
       # to avoid binary translation overhead