power: bq27x00: Fix typos in comment

Fix two typos in comments.
Signed-off-by: NThomas Weber <weber@corscience.de>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/power/bq27x00_battery.c

@@ -47,10 +47,10 @@
 #define BQ27x00_REG_TTE			0x16
 #define BQ27x00_REG_TTF			0x18
 #define BQ27x00_REG_TTECP		0x26
-#define BQ27x00_REG_NAC			0x0C /* Nominal available capaciy */
+#define BQ27x00_REG_NAC			0x0C /* Nominal available capacity */
 #define BQ27x00_REG_LMD			0x12 /* Last measured discharge */
 #define BQ27x00_REG_CYCT		0x2A /* Cycle count total */
-#define BQ27x00_REG_AE			0x22 /* Available enery */
+#define BQ27x00_REG_AE			0x22 /* Available energy */
 
 #define BQ27000_REG_RSOC		0x0B /* Relative State-of-Charge */
 #define BQ27000_REG_ILMD		0x76 /* Initial last measured discharge */