spelling fixes

acquired (aquired)
contiguous (contigious)
successful (succesful, succesfull)
surprise (suprise)
whether (weather)
some other misspellings

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index b7636b9..c1a42fe 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -175,7 +175,7 @@
 	 * Lightweight spurious IRQ detection. We do not want
 	 * to overdo spurious IRQ handling - it's usually a sign
 	 * of hardware problems, so we only do the checks we can
-	 * do without slowing down good hardware unnecesserily.
+	 * do without slowing down good hardware unnecessarily.
 	 *
 	 * Note that IRQ7 and IRQ15 (the two spurious IRQs
 	 * usually resulting from the 8259A-1|2 PICs) occur