staging: r8723au: Set undeclared routines to static

staging: r8723au: Set undeclared routines to static

The following sparse warnings are fixed:

drivers/staging/rtl8723au/core/rtw_cmd.c:1211:6: warning: symbol 'dynamic_chk_wk_hdl' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_cmd.c:1238:6: warning: symbol 'lps_ctrl_wk_hdl' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_cmd.c:1812:6: warning: symbol 'rtw_getrttbl_cmd_cmdrsp_callback' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme.c:364:6: warning: symbol 'rtw_free_network' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme.c:373:6: warning: symbol 'rtw_free_network_nolock' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme.c:631:6: warning: symbol 'rtw_add_network' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme.c:644:5: warning: symbol 'rtw_is_desired_network' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme_ext.c:2246:5: warning: symbol 'DoReserved23a' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_mlme_ext.c:5549:6: warning: symbol 'linked23a_rx_sig_stren_disp' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_pwrctrl.c:272:4: warning: symbol 'PS_RDY_CHECK' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_recv.c:1937:5: warning: symbol 'enqueue_reorder_recvframe23a' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_sta_mgt.c:24:6: warning: symbol '_rtw_init_stainfo' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_sta_mgt.c:112:6: warning: symbol 'rtw_mfree_all_stainfo' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_sta_mgt.c:127:6: warning: symbol 'rtw_mfree_sta_priv_lock' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_wlan_util.c:143:15: warning: symbol 'ratetbl_val_2wifirate' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_wlan_util.c:188:5: warning: symbol 'is_basicrate' was not declared. Should it be static?
drivers/staging/rtl8723au/core/rtw_wlan_util.c:206:14: warning: symbol 'ratetbl2rateset' was not declared. Should it be static?

Three of the above routines were not used and were deleted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>