Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h
index 001e841..e789a89 100644
--- a/drivers/net/wireless/b43/phy_n.h
+++ b/drivers/net/wireless/b43/phy_n.h
@@ -703,7 +703,7 @@
 #define B43_NPHY_CHAN_ESTHANG			B43_PHY_N(0x21D) /* Channel estimate hang */
 #define B43_NPHY_FINERX2_CGC			B43_PHY_N(0x221) /* Fine RX 2 clock gate control */
 #define  B43_NPHY_FINERX2_CGC_DECGC		0x0008 /* Decode gated clocks */
-#define B43_NPHY_TXPCTL_INIT			B43_PHY_N(0x222) /* TX power controll init */
+#define B43_NPHY_TXPCTL_INIT			B43_PHY_N(0x222) /* TX power control init */
 #define  B43_NPHY_TXPCTL_INIT_PIDXI1		0x00FF /* Power index init 1 */
 #define  B43_NPHY_TXPCTL_INIT_PIDXI1_SHIFT	0
 #define B43_NPHY_PAPD_EN0			B43_PHY_N(0x297) /* PAPD Enable0 TBD */