regmap: fix some comments

Correct spelling and copy/paste errors in comments.

Fixes 1c4db59d9b ("regmap: Add support for regmap fields")

Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/regmap.h b/include/regmap.h
index 8216de0..e81a360 100644
--- a/include/regmap.h
+++ b/include/regmap.h
@@ -460,7 +460,7 @@
 struct regmap_field;
 
 /**
- * REG_FIELD() - A convenient way to initialize a 'struct reg_feild'.
+ * REG_FIELD() - A convenient way to initialize a 'struct reg_field'.
  *
  * @_reg: Offset of the register within the regmap bank
  * @_lsb: lsb of the register field.
@@ -519,9 +519,9 @@
 int regmap_field_write(struct regmap_field *field, unsigned int val);
 
 /**
- * regmap_read() - Read a 32-bit value from a regmap
+ * regmap_field_read() - Read a 32-bit value from a regmap
  *
- * @field:	Regmap field to write to
+ * @field:	Regmap field to read from
  * @valp:	Pointer to the buffer to receive the data read from the regmap
  *		field
  *