x86/mm/pat: Rename pat_rbtree.c to pat_interval.c

Considering the previous changes, this is a more proper name.

Signed-off-by: Davidlohr Bueso <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>

Author: Davidlohr Bueso

arch/x86/mm/Makefile

@@ -23,7 +23,7 @@ CFLAGS_mem_encrypt_identity.o	:= $(nostackp)
 
 CFLAGS_fault.o := -I $(srctree)/$(src)/../include/asm/trace
 
-obj-$(CONFIG_X86_PAT)		+= pat_rbtree.o
+obj-$(CONFIG_X86_PAT)		+= pat_interval.o
 
 obj-$(CONFIG_X86_32)		+= pgtable_32.o iomap_32.o