staging: rtl8723bs: hal: Correct misspelt enum name

Correct misspelt enum name.
Misspelling found using checkpatch.pl.
Signed-off-by: R Veera Kumar <vkor@vkten.in>
Link: https://lore.kernel.org/r/d091fa95d537f613c24e55a2dee638d4493534b5.1586187304.git.vkor@vkten.inSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/odm.h

@@ -541,7 +541,7 @@ typedef enum tag_Operation_Mode_Definition {
 
 /*  ODM_CMNINFO_WM_MODE */
 typedef enum tag_Wireless_Mode_Definition {
-	ODM_WM_UNKNOW     = 0x0,
+	ODM_WM_UNKNOWN    = 0x0,
 	ODM_WM_B          = BIT0,
 	ODM_WM_G          = BIT1,
 	ODM_WM_A          = BIT2,