Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 83aa5fb..8e256cc 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1135,7 +1135,7 @@
 	  The Loongson 2E processor implements the MIPS III instruction set
 	  with many extensions.
 
-	  It has an internal FPGA northbridge, which is compatiable to
+	  It has an internal FPGA northbridge, which is compatible to
 	  bonito64.
 
 config CPU_LOONGSON2F