net: qualcomm: new Ethernet over SPI driver for QCA7000

This patch adds the Ethernet over SPI driver for the
Qualcomm QCA7000 HomePlug GreenPHY.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ethernet/Kconfig
Simple merge

diff --cc drivers/net/ethernet/Makefile
Simple merge

diff --cc drivers/net/ethernet/qualcomm/Kconfig
Simple merge

diff --cc drivers/net/ethernet/qualcomm/Makefile
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_7k.c
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_7k.h
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_debug.c
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_debug.h
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_framing.c
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_framing.h
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_spi.c
Simple merge

diff --cc drivers/net/ethernet/qualcomm/qca_spi.h
Simple merge