meta-quanta: gbs: fix the sensor value type of Fan PWM sensors

Correct the sensor value type of Fan PWM sensors as uint64_t

Signed-off-by: George Hung <george.hung@quantatw.com>
Change-Id: I87c9606b593027ea9401679342ea6222b415df34
diff --git a/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-sensors.yaml b/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-sensors.yaml
index 63d4e6c..40472a6 100644
--- a/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-sensors.yaml
+++ b/meta-gbs/recipes-phosphor/configuration/gbs-yaml-config/gbs-ipmi-sensors.yaml
@@ -574,7 +574,7 @@
       Target:
         Offsets:
           0xFF:
-            type: double
+            type: uint64_t
 
 0x66:
   <<: *fan_pwm