powerpc/module: use module_alloc_type

Feed parameters used by module_alloc to module_alloc_type().

Also updated kprobes call of module_alloc with module_alloc_type.

No functional change intended.

Signed-off-by: Song Liu <song@kernel.org>

---
I tried to cross compile for ppc64, but the following command failed before
this change.

make ARCH=powerpc LLVM=1 CC=clang CROSS_COMPILE=ppc64-linux-gnu- -j
[...]
  VDSO64L arch/powerpc/kernel/vdso/vdso64.so.dbg
arch/powerpc/kernel/vdso/vdso64.so.dbg: dynamic relocations are not
supported
make[1]: *** [arch/powerpc/kernel/vdso/Makefile:78:
arch/powerpc/kernel/vdso/vdso64.so.dbg] Error 1
make: *** [arch/powerpc/Makefile:378: vdso_prepare] Error 2
2 files changed