Manila Time is the same as CST (solves #3517)

PHST abbreviation added for clarity.

wled00/data/settings_time.htm

@@ -181,8 +181,8 @@
 			<option value="6">US-MST/MDT</option>
 			<option value="7">US-AZ</option>
 			<option value="8">US-PST/PDT</option>
-			<option value="9">CST(AWST)</option>
-			<option value="10">JST(KST)</option>
+			<option value="9">CST (AWST, PHST)</option>
+			<option value="10">JST (KST)</option>
 			<option value="11">AEST/AEDT</option>
 			<option value="12">NZST/NZDT</option>
 			<option value="13">North Korea</option>