staging: brcm80211: remove unused functions from hndpmu.c

The source file contained several functions that are not being
used in the brcmsmac and/or brcmfmac driver. These functions have
been removed.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Cc: Brett Rudley <brudley@broadcom.com>
Cc: Henry Ptasinski <henryp@broadcom.com>
Cc: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/include/hndpmu.h

@@ -33,35 +33,20 @@ extern void si_pmu_chip_init(si_t *sih);
 extern void si_pmu_pll_init(si_t *sih, u32 xtalfreq);
 extern void si_pmu_res_init(si_t *sih);
 extern void si_pmu_swreg_init(si_t *sih);
-
-extern u32 si_pmu_force_ilp(si_t *sih, bool force);
-
-extern u32 si_pmu_si_clock(si_t *sih);
-extern u32 si_pmu_cpu_clock(si_t *sih);
-extern u32 si_pmu_mem_clock(si_t *sih);
 extern u32 si_pmu_alp_clock(si_t *sih);
-extern u32 si_pmu_ilp_clock(si_t *sih);
-
-extern void si_pmu_set_switcher_voltage(si_t *sih,
-					u8 bb_voltage, u8 rf_voltage);
 extern void si_pmu_set_ldo_voltage(si_t *sih, u8 ldo, u8 voltage);
 extern u16 si_pmu_fast_pwrup_delay(si_t *sih);
-extern void si_pmu_rcal(si_t *sih);
 extern void si_pmu_pllupd(si_t *sih);
 extern void si_pmu_spuravoid(si_t *sih, u8 spuravoid);
-
 extern bool si_pmu_is_otp_powered(si_t *sih);
 extern u32 si_pmu_measure_alpclk(si_t *sih);
-
 extern u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val);
 extern u32 si_pmu_regcontrol(si_t *sih, uint reg, u32 mask, u32 val);
 extern u32 si_pmu_pllcontrol(si_t *sih, uint reg, u32 mask, u32 val);
 extern void si_pmu_sprom_enable(si_t *sih, bool enable);
-
-extern void si_pmu_radio_enable(si_t *sih, bool enable);
-extern u32 si_pmu_waitforclk_on_backplane(si_t *sih, u32 clk, u32 delay);
-
 extern void si_pmu_otp_power(si_t *sih, bool on);
+
 extern void si_sdiod_drive_strength_init(si_t *sih, u32 drivestrength);
+extern u32 si_pmu_ilp_clock(si_t *sih);
 
 #endif				/* _hndpmu_h_ */