phy: miphy28lp: remove unused struct 'miphy_initval'

'miphy_initval' is unused since the original
commit 2c14e9be0c60 ("phy: miphy28lp: Provide support for the MiPHY28lp
Generic PHY").

Remove it.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/st/phy-miphy28lp.c

···
 	int nphys;
 };
 
-struct miphy_initval {
-	u16 reg;
-	u16 val;
-};
-
 enum miphy_sata_gen { SATA_GEN1, SATA_GEN2, SATA_GEN3 };
 
 static char *PHY_TYPE_name[] = { "sata-up", "pcie-up", "", "usb3-up" };