* doc/gdb.texinfo (PowerPC): Mention Extended FPR's for POWER7.

	* doc/gdb.texinfo (PowerPC): Mention Extended FPR's for POWER7.
	(PowerPC features): Mention feature set for VSX registers.

	* gdbserver/Makefile.in: Add required vsx dependencies.

	* gdbserver/linux-ppc-low: Define PPC_FEATURE_HAS_VSX.
	Declare init_registers_powerpc_vsx32l.
	Declare init_registers_powerpc_vsx64l.
	Define PTRACE_GETVSXREGS and PTRACE_SETVSXREGS.
	(ppc_arch_setup): Check for VSX in hwcap.
	(ppc_fill_vsxregset): New function.
	(ppc_store_vsxregset): New function.
	Add new VSX entry in regset_info target_regsets.

	* gdbserver/configure.srv: Add new VSX dependencies.