powerpc/powernv: Enable detection of legacy UARTs

Legacy UARTs can exist on PowerNV, memory-mapped ones on PCI
or IO based ones on the LPC bus.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/Kconfig b/arch/powerpc/platforms/powernv/Kconfig
index 6529587..6fae5eb 100644 (file)
--- a/arch/powerpc/platforms/powernv/Kconfig
+++ b/arch/powerpc/platforms/powernv/Kconfig
@@ -8,6 +8,7 @@ config PPC_POWERNV
        select PPC_PCI_CHOICE if EMBEDDED
        select EPAPR_BOOT
        select PPC_INDIRECT_PIO
+       select PPC_UDBG_16550
        default y
 
 config POWERNV_MSI