add missed constants

Author: folkertdev

libc-test/build.rs

@@ -3813,6 +3813,8 @@ fn test_linux(target: &str) {
                 || name == "PTP_CLOCK_GETCAPS2"
                 || name == "PTP_ENABLE_PPS2"
                 || name == "PTP_EXTTS_REQUEST2"
+                || name == "PTP_MASK_CLEAR_ALL"
+                || name == "PTP_MASK_EN_SINGLE"
                 || name == "PTP_PEROUT_REQUEST2"
                 || name == "PTP_PIN_GETFUNC2"
                 || name == "PTP_PIN_SETFUNC2"

libc-test/semver/linux.txt

@@ -2081,6 +2081,8 @@ PTP_SYS_OFFSET_EXTENDED
 PTP_SYS_OFFSET_EXTENDED2
 PTP_SYS_OFFSET_PRECISE
 PTP_SYS_OFFSET_PRECISE2
+PTP_MASK_CLEAR_ALL
+PTP_MASK_EN_SINGLE
 PTRACE_ATTACH
 PTRACE_CONT
 PTRACE_DETACH