[packages] jemalls: fix build

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
[packages] mariadb: temporary fix compile

STATIC_PAGE_SHIFT is hardware dependent set it to 12 for now
je_cv_static_page_shift=12

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>