powerpc: Use VPA subfunction macros instead of numbers for vpa calls
powerpc: Use VPA subfunction macros instead of numbers for vpa calls

Use macros in vpa calls.

Signed-off-by: Li Zhong <22bc8bfd7eeb9886fe79aed380759aa078990d01@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@ellerman.id.au>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs