powerpc: Add vmcoreinfo symbols to allow makdumpfile to filter core files properly

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>

 machine_kexec.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>