ARM: dts: aspeed: Add TYAN S7106 BMC machine

The TYAN S7106 is a server platform with an ASPEED AST2500 BMC.

Signed-off-by: Oskar Senft <osk@google.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210909004920.1634322-1-osk@google.com


Signed-off-by: Joel Stanley <joel@jms.id.au>