linker script: add missing .data.percpu.page_aligned

arm, arm/mach-integrator and powerpc were missing
.data.percpu.page_aligned in their percpu output section definitions.
Add it.

Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 47bf15c..04e8ece 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -182,6 +182,7 @@
 	. = ALIGN(PAGE_SIZE);
 	.data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
 		__per_cpu_start = .;
+		*(.data.percpu.page_aligned)
 		*(.data.percpu)
 		*(.data.percpu.shared_aligned)
 		__per_cpu_end = .;