clk: tegra: Add BPMP clock driver

This driver uses the services provided by the BPMP firmware driver to
implement a clock driver based on the MRQ_CLK request. This part of the
BPMP ABI provides a means to enumerate and control clocks and should
allow the driver to work on any chip that supports this ABI.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/tegra/Kconfig

 config TEGRA_CLK_EMC
 	def_bool y
 	depends on TEGRA124_EMC
+
+config CLK_TEGRA_BPMP
+	def_bool y
+	depends on TEGRA_BPMP

drivers/clk/tegra/Makefile

@@ -22,3 +22,4 @@ obj-$(CONFIG_ARCH_TEGRA_124_SOC)	+= clk-tegra124-dfll-fcpu.o
 obj-$(CONFIG_ARCH_TEGRA_132_SOC)	+= clk-tegra124.o
 obj-y					+= cvb.o
 obj-$(CONFIG_ARCH_TEGRA_210_SOC)	+= clk-tegra210.o
+obj-$(CONFIG_CLK_TEGRA_BPMP)		+= clk-bpmp.o