kernel: Bump to 4.4.37

kernel: Revert HID: dragonrise: fix HID Descriptor for 0x0006 PID
See: raspberrypi/linux#1755

kernel: BCM270X_DT: Add i2c-sensor overlay
See: https://www.raspberrypi.org/forums/viewtopic.php?f=107&t=167207

kernel: lirc_rpi: Delete vestigial gpio_in_pull parameter
See: raspberrypi/linux#1711

kernel: BCM270X_DT: Add overlay for enc28j60 on SPI2
See: raspberrypi/linux#1735

kernel: bcm2835-rng: Avoid initialising if already enabled

bootcode: Enable the RNG as early as possible
firmware: rng: Avoid initialising if already enabled

powerman: Force a PVT calibration if aphy/dphy settings don't seem correct
See: #684

Author: popcornmix

boot/bootcode.bin

@@ -61,7 +61,7 @@ this becomes a line in config.txt:
 
     dtoverlay=lirc-rpi
 
-This causes the file /boot/overlays/lirc-rpi-overlay.dtb to be loaded. By
+This causes the file /boot/overlays/lirc-rpi.dtbo to be loaded. By
 default it will use GPIOs 17 (out) and 18 (in), but this can be modified using
 DT parameters:
 
@@ -283,8 +283,7 @@ Params: swap_lr                 Reverse the channel allocation, which will also
 
 
 Name:   bmp085_i2c-sensor
-Info:   Configures the BMP085/BMP180 digital barometric pressure and temperature
-        sensors from Bosch Sensortec
+Info:   This overlay is now deprecated - see i2c-sensor
 Load:   dtoverlay=bmp085_i2c-sensor
 Params: <None>
 
@@ -344,13 +343,21 @@ Params: dr_mode                 Dual role mode: "host", "peripheral" or "otg"
 
 
 Name:   enc28j60
-Info:   Overlay for the Microchip ENC28J60 Ethernet Controller (SPI)
+Info:   Overlay for the Microchip ENC28J60 Ethernet Controller on SPI0
 Load:   dtoverlay=enc28j60,<param>=<val>
 Params: int_pin                 GPIO used for INT (default 25)
 
         speed                   SPI bus speed (default 12000000)
 
 
+Name:   enc28j60-spi2
+Info:   Overlay for the Microchip ENC28J60 Ethernet Controller on SPI2
+Load:   dtoverlay=enc28j60-spi2,<param>=<val>
+Params: int_pin                 GPIO used for INT (default 39)
+
+        speed                   SPI bus speed (default 12000000)
+
+
 Name:   gpio-ir
 Info:   Use GPIO pin as rc-core style infrared receiver input. The rc-core-
         based gpio_ir_recv driver maps received keys directly to a
@@ -528,6 +535,15 @@ Params: abx80x                  Select one of the ABx80x family:
                                 source
 
 
+Name:   i2c-sensor
+Info:   Adds support for a number of I2C barometric pressure and temperature
+        sensors on i2c_arm
+Load:   dtoverlay=i2c-sensor,<param>=<val>
+Params: bmp085                  Select the Bosch sensortronic BMP085
+
+        bmp280                  Select the Bosch sensortronic BMP280
+
+
 Name:   i2c0-bcm2708
 Info:   Enable the i2c_bcm2708 driver for the i2c0 bus. Not all pin combinations
         are usable on all platforms.