tcg: Use CPUClass::tlb_fill in cputlb.c

We can now use the CPUClass hook instead of a named function.

Create a static tlb_fill function to avoid other changes within
cputlb.c.  This also isolates the asserts within.  Remove the
named tlb_fill function from all of the targets.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/mips/helper.c

@@ -944,12 +944,6 @@ bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
 }
 
 #ifndef CONFIG_USER_ONLY
-void tlb_fill(CPUState *cs, target_ulong addr, int size,
-              MMUAccessType access_type, int mmu_idx, uintptr_t retaddr)
-{
-    mips_cpu_tlb_fill(cs, addr, size, access_type, mmu_idx, false, retaddr);
-}
-
 hwaddr cpu_mips_translate_address(CPUMIPSState *env, target_ulong address, int rw)
 {
     hwaddr physical;