lemp11: Add Lemur Pro 11

Signed-off-by: Tim Crawford <tcrawford@system76.com>

src/board/system76/lemp11/board.mk

@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-3.0-only
+
+EC=it5570e
+
+# Enable eSPI
+CFLAGS+=-DEC_ESPI=1
+
+# Include keyboard
+KEYBOARD=14in_83
+
+# Set keyboard LED mechanism
+KBLED=white_dac
+CFLAGS+=-DKBLED_DAC=2
+
+# Set battery I2C bus
+CFLAGS+=-DI2C_SMBUS=I2C_4
+
+# Set touchpad PS2 bus
+CFLAGS+=-DPS2_TOUCHPAD=PS2_3
+
+# Set smart charger parameters
+# Adapter input current = 3.42A
+# PRS1 = 0.005 ohm. Divide adapter input current by 4.
+# PRS2 = 0.005 ohm. Divide charge current by 2.
+CHARGER=oz26786
+CFLAGS+=\
+	-DCHARGER_CHARGE_CURRENT=0x600 \
+	-DCHARGER_CHARGE_VOLTAGE=8800 \
+	-DCHARGER_INPUT_CURRENT=0x300
+
+# Add system76 common code
+include src/board/system76/common/common.mk