The CodeSourcery x86 and sh, the ADI Blackfin, and the Xilinx Mircoblaze
external toolchain profiles have all been removed. Update the manual.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>