i2c: designware: Add Kconfig for designware_i2c_pci.c

As the Designware_i2c_pci.c uses ACPI APIs, If some SoCs (StarFive
JH7110) contain Designware i2c and PCI but do not use ACPI,
This file cannot be compiled. So add a new Kconfig for
designware_i2c_pci.c, which depends on ACPIGEN

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 99545df..d5b85f3 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -18,9 +18,7 @@
 obj-$(CONFIG_SYS_I2C_CA) += i2c-cortina.o
 obj-$(CONFIG_SYS_I2C_DAVINCI) += davinci_i2c.o
 obj-$(CONFIG_SYS_I2C_DW) += designware_i2c.o
-ifdef CONFIG_PCI
-obj-$(CONFIG_SYS_I2C_DW) += designware_i2c_pci.o
-endif
+obj-$(CONFIG_SYS_I2C_DW_PCI) += designware_i2c_pci.o
 obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o
 obj-$(CONFIG_SYS_I2C_IHS) += ihs_i2c.o
 obj-$(CONFIG_SYS_I2C_INTEL) += intel_i2c.o