microblaze: Remove architecture tlb.h and use generic one

There is no reason to have this empty file if it is just link to
asm-generic/tlb.h.

Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Stefan Asserhall <[email protected]>
Reviewed-by: Arnd Bergmann <[email protected]>

Author: Michal Simek

arch/microblaze/include/asm/Kbuild

@@ -31,6 +31,7 @@ generic-y += preempt.h
 generic-y += serial.h
 generic-y += shmparam.h
 generic-y += syscalls.h
+generic-y += tlb.h
 generic-y += topology.h
 generic-y += trace_clock.h
 generic-y += vga.h