Add the new NT_S390_PV_CPU_DATA constant from Linux 6.0 to glibc's
elf.h.
Tested for x86_64.
#define NT_S390_GS_BC 0x30c /* s390 guarded storage
broadcast control block. */
#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation. */
+#define NT_S390_PV_CPU_DATA 0x30e /* s390 protvirt cpu dump data. */
#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
#define NT_ARM_TLS 0x401 /* ARM TLS register */
#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */