thunderbolt: Fix typo in tb_eeprom_ctl_read documentation

Fix presumed copy-paste typo of tb_eeprom_ctl_read documentation
referring to tb_eeprom_ctl_write.

Signed-off-by: Dominik Karol Piątkowski <[e-mail]>
Signed-off-by: Mika Westerberg <[e-mail]>

drivers/thunderbolt/eeprom.c

···
 }
 
 /*
- * tb_eeprom_ctl_write() - read control word
+ * tb_eeprom_ctl_read() - read control word
  */
 static int tb_eeprom_ctl_read(struct tb_switch *sw, struct tb_eeprom_ctl *ctl)
 {