gpio: aspeed-sgpio: Remove unused bank name field

Drops the names array from the bank struct and its initializers, as it is
unused in the driver.

Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Link: https://lore.kernel.org/r/20260123-upstream_sgpio-v2-2-69cfd1631400@aspeedtech.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

Author: billy-tsai

drivers/gpio/gpio-aspeed-sgpio.c

@@ -43,7 +43,6 @@ struct aspeed_sgpio_bank {
 	u16    rdata_reg;
 	u16    irq_regs;
 	u16    tolerance_regs;
-	const char  names[4][3];
 };
 
 /*
@@ -59,28 +58,24 @@ static const struct aspeed_sgpio_bank aspeed_sgpio_banks[] = {
 		.rdata_reg = 0x0070,
 		.irq_regs = 0x0004,
 		.tolerance_regs = 0x0018,
-		.names = { "A", "B", "C", "D" },
 	},
 	{
 		.val_regs = 0x001C,
 		.rdata_reg = 0x0074,
 		.irq_regs = 0x0020,
 		.tolerance_regs = 0x0034,
-		.names = { "E", "F", "G", "H" },
 	},
 	{
 		.val_regs = 0x0038,
 		.rdata_reg = 0x0078,
 		.irq_regs = 0x003C,
 		.tolerance_regs = 0x0050,
-		.names = { "I", "J", "K", "L" },
 	},
 	{
 		.val_regs = 0x0090,
 		.rdata_reg = 0x007C,
 		.irq_regs = 0x0094,
 		.tolerance_regs = 0x00A8,
-		.names = { "M", "N", "O", "P" },
 	},
 };