ipaq-boot-params: fix warning about S not existing
ipaq-boot-params: fix warning about S not existing

Default S = "${WORKDIR}/${BP}" leads to the warning.
Fix it by setting S = "${WORKDIR}"

Signed-off-by: Andrea Adami <58a22b0beb8ec13ae546a060c8b4c576f22f6153@gmail.com>

bluelightning/meta-handheld,bluelightning/meta-handheld