qtest: bump npcm7xx_pwm-test timeout to 5 minutes

The npcm7xx_pwm-test takes 3 & 1/2 minutes in a --enable-debug build.
Bumping to 5 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-5-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-5-thuth@redhat.com>
[AJB: s/pwn/pwm]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
(cherry picked from commit d05328b)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

tests/qtest/meson.build

@@ -1,7 +1,7 @@
 slow_qtests = {
   'bios-tables-test' : 120,
   'migration-test' : 480,
-  'npcm7xx_pwm-test': 150,
+  'npcm7xx_pwm-test': 300,
   'qom-test' : 900,
   'test-hmp' : 120,
 }