arm64: kill config_sctlr_el1()

Now that we have sysreg_clear_set(), we can consistently use this
instead of config_sctlr_el1().

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Dave Martin <dave.martin@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

arch/arm64/kernel/traps.c

@@ -411,7 +411,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
 
 void cpu_enable_cache_maint_trap(const struct arm64_cpu_capabilities *__unused)
 {
-	config_sctlr_el1(SCTLR_EL1_UCI, 0);
+	sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCI, 0);
 }
 
 #define __user_cache_maint(insn, address, res)			\