scripts/spelling.txt: add "initialiazation" pattern and fix typo instances

Fix typos and add the following to the scripts/spelling.txt:

initialiazation||initialization

While we are here, fix the "overriden" in the touched line in
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c.

Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Masahiro Yamada <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/char/sonypi.c

···
 	u16 v16;
 	u8  v8;
 
-	/* This model type uses the same initialiazation of
+	/* This model type uses the same initialization of
 	 * the embedded controller as the type2 models. */
 	sonypi_type2_srs();
 

drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

···
 			 * hence its link is expected to be down
 			 * - SECOND_PHY means that first phy should not be able
 			 * to link up by itself (using configuration)
-			 * - DEFAULT should be overriden during initialiazation
+			 * - DEFAULT should be overridden during initialization
 			 */
 				DP(NETIF_MSG_LINK, "Invalid link indication"
 					   "mpc=0x%x. DISABLING LINK !!!\n",

scripts/spelling.txt

···
 initalize||initialize
 initation||initiation
 initators||initiators
+initialiazation||initialization
 initializiation||initialization
 initialzed||initialized
 initilization||initialization