misc: Fix case Qemu -> QEMU

Signed-off-by: NStefan Weil <sw@weilnetz.de>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Reviewed-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

scripts/switch-timer-api

@@ -20,7 +20,7 @@ sub Syntax
     print STDERR <<STOP;
 Usage: $FindBin::Script [options] FILE ...
 
-Translate each FILE to the new Qemu timer API. If no files
+Translate each FILE to the new QEMU timer API. If no files
 are passed, a reasonable guess is taken.
 
 Options:

tests/i440fx-test.c

@@ -350,7 +350,7 @@ static void test_i440fx_firmware(FirmwareTestFixture *fixture,
     qtest_start(cmdline);
     g_free(cmdline);
 
-    /* Qemu has loaded the firmware (because qtest_start() only returns after
+    /* QEMU has loaded the firmware (because qtest_start() only returns after
      * the QMP handshake completes). We must unlink the firmware blob right
      * here, because any assertion firing below would leak it in the
      * filesystem. This is also the reason why we recreate the blob every time