arm: mx6: add support for TBS2910 Matrix ARM miniPC

Add initial support for TBS2910 Matrix ARM miniPC.
Support includes MMC, Ethernet, UARTs, HDMI, USB, SATA, PCI, I2C, RTC.

Signed-off-by: Soeren Moch <smoch@web.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b00af7b..1922fb0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -631,6 +631,9 @@
 config TARGET_KOSAGI_NOVENA
 	bool "Support Kosagi Novena"
 
+config TARGET_TBS2910
+	bool "Support tbs2910"
+
 config TARGET_TQMA6
 	bool "TQ Systems TQMa6 board"
 	select CPU_V7
@@ -934,6 +937,7 @@
 source "board/syteco/jadecpu/Kconfig"
 source "board/syteco/zmx25/Kconfig"
 source "board/taskit/stamp9g20/Kconfig"
+source "board/tbs/tbs2910/Kconfig"
 source "board/ti/am335x/Kconfig"
 source "board/ti/am43xx/Kconfig"
 source "board/ti/ti814x/Kconfig"