target: move in target_type.h the target_type's declaration
The static analyser 'sparse' complains, while compiling a target's
file, that the struct target_type is declared in the file as non
static, but it is not exposed through an include file.
The message is:
warning: symbol 'XXX' was not declared. Should it be static?
Move the list of target_type's declaration in target_type.h
While there, fix a name clash in stm8.c
Change-Id: Ia9c681e0825cfd04d509616dbc04a0cf4944f379
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7659
Tested-by: jenkins