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i2c: keba: I2C_KEBA should depend on KEBA_CP500

The KEBA I2C controller is only present on KEBA PLC devices. Hence add
a dependency on KEBA_CP500, to prevent asking the user about this driver
when configuring a kernel without KEBA CP500 system FPGA support.

Fixes: c7e08c816cd2fdf8 ("i2c: keba: Add KEBA I2C controller support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Gerhard Engleder <eg@keba.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

authored by Geert Uytterhoeven and committed by Andi Shyti 6d340541 f2990f86

+1
unified split
+1
drivers/i2c/busses/Kconfig
··· 782 config I2C_KEBA 783 tristate "KEBA I2C controller support" 784 depends on HAS_IOMEM 785 select AUXILIARY_BUS 786 help 787 This driver supports the I2C controller found in KEBA system FPGA
··· 782 config I2C_KEBA 783 tristate "KEBA I2C controller support" 784 depends on HAS_IOMEM 785 + depends on KEBA_CP500 || COMPILE_TEST 786 select AUXILIARY_BUS 787 help 788 This driver supports the I2C controller found in KEBA system FPGA