firmware: zynqmp-fpga: introduce driver to load bitstream to FPGA ...

The driver provides functionalities to check and load a bitstream to FPGA.
A boolean parameter to check if FPGA is already programmed is
added.

Signed-off-by: Thomas Haemmerle <thomas.haemmerle@wolfvision.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

firmware: socfpga: Add necessary dependency to Kconfig ...

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

firmware: altera serial: depend on GENERIC_GPIO ...

The driver needs gpio support, so depend on GENERIC_GPIO

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

firmware: altera-serial: depend on SPI ...

This driver uses SPI bus functions.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

firmware: socfpga: depend on ARCH_SOCFPGA ...

This driver uses a lot of arch specific functionality and
fails to build on anything but SOCFPGA.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Firmware: socfpga: Add SoCFPGA FPGA program support ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Firmware: provide a handler to program Altera FPGAs ...

This handler uses a regular SPI master and a few GPIOs to program an
Altera FPGA in serial mode.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>