Second Round of Renesas ARM64 Based SoC DT Updates for v4.7

* Don't disable referenced optional clocks in DT of r8a7795 SoC
* Populate EXTALR in DT of salvator-x board
* Enable PCIe in DT of salvator-x board
arm64: dts: r8a7795: Don't disable referenced optional clocks

clk_get() on a disabled clock node will return -EPROBE_DEFER, which can
cause drivers to be deferred forever if such clocks are referenced in
their devices' clocks properties.

Update the various disabled external clock nodes to default to a
frequency of 0, but don't disable them, to prevent this.

Reported-by: Jürg Billeter <j@bitron.ch>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2 files changed