sun6i: Add defconfig for MSI Primo81 tablet

This patch uses the same ZQ and DRAM clock settings as in the
pre-installed Android firmware.

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/configs/MSI_Primo81_defconfig b/configs/MSI_Primo81_defconfig
new file mode 100644
index 0000000..b4b0f6d
--- /dev/null
+++ b/configs/MSI_Primo81_defconfig
@@ -0,0 +1,12 @@
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS=""
+CONFIG_FDTFILE="sun6i-a31s-primo81.dtb"
+CONFIG_USB_KEYBOARD=n
++S:CONFIG_ARM=y
++S:CONFIG_ARCH_SUNXI=y
++S:CONFIG_MACH_SUN6I=y
++S:CONFIG_TARGET_MSI_PRIMO81=y
++S:CONFIG_DRAM_CLK=360
++S:CONFIG_DRAM_ZQ=122
+# Wifi power
++S:CONFIG_AXP221_DLDO1_VOLT=3300