[MIPS] Malta: use tabs not spaces

This patch fixes all "use tabs not spaces" warnings reported by
the checkpatch.pl script on the board-specific files.

No functional changes introduced.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/mips-boards/malta/malta_int.c

@@ -300,7 +300,7 @@ void __init arch_init_irq(void)
 	if (!cpu_has_veic)
 		mips_cpu_irq_init();
 
-        switch(mips_revision_sconid) {
+	switch (mips_revision_sconid) {
 	case MIPS_REVISION_SCON_SOCIT:
 	case MIPS_REVISION_SCON_ROCIT:
 		if (cpu_has_veic)