fix(tree): correct some typos

found using codespell (https://github.com/codespell-project/codespell).

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Change-Id: I1bfa797e3460adddeefa916bb68e22beddaf6373
diff --git a/include/drivers/brcm/i2c/i2c.h b/include/drivers/brcm/i2c/i2c.h
index 24d42e2..2cc81d5 100644
--- a/include/drivers/brcm/i2c/i2c.h
+++ b/include/drivers/brcm/i2c/i2c.h
@@ -78,7 +78,7 @@
  *
  * Description:
  *	This function reads I2C data from a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID
@@ -95,7 +95,7 @@
  *
  * Description:
  *	This function send I2C data to a device without specifying
- *	a command regsiter.
+ *	a command register.
  *
  * Parameters:
  *	bus_id  - I2C bus ID