MIPS: Spelling s/confugrations/configurations/

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7573/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/page.h

@@ -37,7 +37,7 @@
 
 /*
  * This is used for calculating the real page sizes
- * for FTLB or VTLB + FTLB confugrations.
+ * for FTLB or VTLB + FTLB configurations.
  */
 static inline unsigned int page_size_ftlb(unsigned int mmuextdef)
 {