MIPS: IP22: Small cleanups

The following functions

disable_local1_irq()
disable_local2_irq()
disable_local3_irq()

are needlessly defined global, so make them static. While at it, fix a
whitespace error in the same file.
Signed-off-by: Dmitri Vorobiev <dmitri.vorobiev@movial.fi>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/sgi-ip22/ip22-int.c

@@ -68,7 +68,7 @@ static void enable_local1_irq(unsigned int irq)
 		sgint->imask1 |= (1 << (irq - SGINT_LOCAL1));
 }
 
-void disable_local1_irq(unsigned int irq)
+static void disable_local1_irq(unsigned int irq)
 {
 	sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
 }
@@ -87,7 +87,7 @@ static void enable_local2_irq(unsigned int irq)
 	sgint->cmeimask0 |= (1 << (irq - SGINT_LOCAL2));
 }
 
-void disable_local2_irq(unsigned int irq)
+static void disable_local2_irq(unsigned int irq)
 {
 	sgint->cmeimask0 &= ~(1 << (irq - SGINT_LOCAL2));
 	if (!sgint->cmeimask0)
@@ -108,7 +108,7 @@ static void enable_local3_irq(unsigned int irq)
 	sgint->cmeimask1 |= (1 << (irq - SGINT_LOCAL3));
 }
 
-void disable_local3_irq(unsigned int irq)
+static void disable_local3_irq(unsigned int irq)
 {
 	sgint->cmeimask1 &= ~(1 << (irq - SGINT_LOCAL3));
 	if (!sgint->cmeimask1)