starfive: add new target for StarFive JH7100/7110 SoC

This target adds support for the StarFive JH7100 and JH7110 SoCs, based on
6.1, as well as a couple boards equipped with these.

Specifications:

SoCs:

JH7100:
 - StarFive JH7100 dual-core RISC-V (U74, RC64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

JH7110:
 - StarFive JH7110 quad-core RISC-V (U74, RV64GC)
 - additional monitoring (S7) and control (E24) cores
 - 2Mb L2 cache

Boards:

VisionFive1:
 - JH7100 @ 1GHz
 - Memory: 8Gb LPDDR4
 - 4x USB3.0
 - 1x GBit ethernet
 - AMPak 6236 wifi / bluetooth
 - audio
 - powered via USB-C

VisionFive2:
 - JH7110 @ 1.5GHz
 - Memory: 2/4/8Gb DDR4
 - 2x Gbit ethernet
 - 2x USB3.0 / 2x USB2.0
 - eMMC / SDIO
 - various multimedia input/outputs (MIPI CSI, HDMI, audio)
 - M.2 key M slot
 - PoE support
 - powered via USB-C

Installation:
Standard SD-card installation via dd-ing the generated image to
an SD-card of at least 256Mb.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

target/linux/starfive/base-files/lib/firmware/brcm/brcmfmac43430-sdio.txt

@@ -0,0 +1,53 @@
+#AP6212_NVRAM_V1.0_20140603
+# 2.4 GHz, 20 MHz BW mode
+
+# The following parameter values are just placeholders, need to be updated.
+manfid=0x2d0
+prodid=0x0726
+vendid=0x14e4
+devid=0x43e2
+boardtype=0x0726
+boardrev=0x1101
+boardnum=22
+macaddr=00:90:4c:c5:12:38
+sromrev=11
+boardflags=0x00404201
+xtalfreq=26000
+nocrc=1
+ag0=255
+aa2g=1
+ccode=ALL
+
+pa0itssit=0x20
+extpagain2g=0
+
+#PA parameters for 2.4GHz, measured at CHIP OUTPUT
+pa2ga0=-168,7161,-820
+AvVmid_c0=0x0,0xc8
+cckpwroffset0=5
+
+# PPR params
+maxp2ga0=90
+txpwrbckof=6
+cckbw202gpo=0x5555
+legofdmbw202gpo=0x77777777
+mcsbw202gpo=0xaaaaaaaa
+
+# OFDM IIR :
+ofdmdigfilttype=7
+# PAPD mode:
+papdmode=2
+
+il0macaddr=00:90:4c:c5:12:38
+wl0id=0x431b
+
+#OOB parameters
+hostwake=0x40
+hostrdy=0x41
+usbrdy=0x03
+usbrdydelay=100
+deadman_to=0xffffffff
+# muxenab: 0x1 for UART enable, 0x10 for Host awake
+muxenab=0x10
+# CLDO PWM voltage settings - 0x4 - 1.1 volt
+#cldo_pwm=0x4

target/linux/starfive/base-files/lib/firmware/brcm/brcmfmac43430a0-sdio.txt

@@ -0,0 +1 @@
+brcmfmac43430-sdio.txt