[PATCH] Add text for dealing with "dot releases" to README

The emergence of so-called "dot releases" that are non-incremental patches against a base kernel requires different handling of patches (revert previous patches before applying the newest one). This patch adds a paragrach to $TOPDIR/README explaining how to do deal with dot release patches. The

[PATCH] Add text for dealing with dot releases to README

The emergence of so-called dot releases that are non-incremental patches against a base kernel requires different handling of patches (revert previous patches before applying the newest one). This patch adds a paragrach to $TOPDIR/README explaining how to do deal with dot release patches. The