Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index 843e4fa..288d7be 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -31,7 +31,7 @@
 
 /* In order to commonize as much of the implementation as
  * possible, we use PICH as our counter.  Mostly this is
- * to accomodate Niagara-1 which can only count insn cycles
+ * to accommodate Niagara-1 which can only count insn cycles
  * in PICH.
  */
 static inline u64 picl_value(unsigned int nmi_hz)