clk: at91: utmi: use pmc_read when the at91_pmc is available

at91_pmc_read is a workaround to allow external drivers to acces some
registers of the PMC. There is no need for it in clk-utmi.c as we aready
have a pointer to the struct at91_pmc.

Signed-off-by: Alexandre Belloni <[e-mail]>
Acked-by: Boris Brezillon <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/at91/clk-utmi.c

···
 {
 	struct clk_utmi *utmi = to_clk_utmi(hw);
 	struct at91_pmc *pmc = utmi->pmc;
-	u32 tmp = at91_pmc_read(AT91_CKGR_UCKR) | AT91_PMC_UPLLEN |
+	u32 tmp = pmc_read(pmc, AT91_CKGR_UCKR) | AT91_PMC_UPLLEN |
 		  AT91_PMC_UPLLCOUNT | AT91_PMC_BIASEN;
 
 	pmc_write(pmc, AT91_CKGR_UCKR, tmp);
···
 {
 	struct clk_utmi *utmi = to_clk_utmi(hw);
 	struct at91_pmc *pmc = utmi->pmc;
-	u32 tmp = at91_pmc_read(AT91_CKGR_UCKR) & ~AT91_PMC_UPLLEN;
+	u32 tmp = pmc_read(pmc, AT91_CKGR_UCKR) & ~AT91_PMC_UPLLEN;
 
 	pmc_write(pmc, AT91_CKGR_UCKR, tmp);
 }