aspeed: Move remaining config to common base layer

Move the remaining bitbake base configuration data to the common aspeed
layer.

Tested: Built and verified palmetto and witherspoon images
Change-Id: I1ff2b3dc611b7e2f1b13a4b1e4d6d3dd923a1ff6
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ast2400/conf/machine/include/ast2400.inc b/conf/machine/include/ast2400.inc
similarity index 100%
rename from meta-ast2400/conf/machine/include/ast2400.inc
rename to conf/machine/include/ast2400.inc
diff --git a/meta-ast2500/conf/machine/include/ast2500.inc b/conf/machine/include/ast2500.inc
similarity index 100%
rename from meta-ast2500/conf/machine/include/ast2500.inc
rename to conf/machine/include/ast2500.inc
diff --git a/meta-ast2500/conf/machine/include/tune-arm1176jz-s.inc b/conf/machine/include/tune-arm1176jz-s.inc
similarity index 100%
rename from meta-ast2500/conf/machine/include/tune-arm1176jz-s.inc
rename to conf/machine/include/tune-arm1176jz-s.inc