i2c: kempld: Use i2c_10bit_addr_*_from_msg() helpers

Use i2c_10bit_addr_*_from_msg() helpers instead of local copy.
No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250213141045.2716943-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Author: andy-shev

drivers/i2c/busses/i2c-kempld.c

@@ -115,9 +115,7 @@ static int kempld_i2c_process(struct kempld_i2c_data *i2c)
 	if (i2c->state == STATE_ADDR) {
 		/* 10 bit address? */
 		if (i2c->msg->flags & I2C_M_TEN) {
-			addr = 0xf0 | ((i2c->msg->addr >> 7) & 0x6);
-			/* Set read bit if necessary */
-			addr |= (i2c->msg->flags & I2C_M_RD) ? 1 : 0;
+			addr = i2c_10bit_addr_hi_from_msg(msg);
 			i2c->state = STATE_ADDR10;
 		} else {
 			addr = i2c_8bit_addr_from_msg(i2c->msg);
@@ -132,10 +130,12 @@ static int kempld_i2c_process(struct kempld_i2c_data *i2c)
 
 	/* Second part of 10 bit addressing */
 	if (i2c->state == STATE_ADDR10) {
-		kempld_write8(pld, KEMPLD_I2C_DATA, i2c->msg->addr & 0xff);
+		addr = i2c_10bit_addr_lo_from_msg(msg);
+		i2c->state = STATE_START;
+
+		kempld_write8(pld, KEMPLD_I2C_DATA, addr);
 		kempld_write8(pld, KEMPLD_I2C_CMD, I2C_CMD_WRITE);
 
-		i2c->state = STATE_START;
 		return 0;
 	}