Commit beeb5a1e (thermal: rcar-thermal: Enable driver compilation with 
COMPILE_TEST)
broke build on archs wihout io memory.

On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.

drivers/thermal/rcar_thermal.c:404: undefined reference to 
`devm_ioremap_resource'
drivers/thermal/rcar_thermal.c:426: undefined reference to 
`devm_ioremap_resource'

Signed-off-by: Richard Weinberger <rich...@nod.at>
---
 drivers/thermal/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 35c0664..88efa8f 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -136,6 +136,7 @@ config SPEAR_THERMAL
 config RCAR_THERMAL
        tristate "Renesas R-Car thermal driver"
        depends on ARCH_SHMOBILE || COMPILE_TEST
+       depends on HAS_IO_MEM
        help
          Enable this to plug the R-Car thermal sensor driver into the Linux
          thermal framework.
-- 
1.8.1.4

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