man: Update waffle_config.3

Update to the waffle commit:

    commit 8c2170870ec46a2f92c902140ac42a0836d44063
    core,man: Fix range and default value of WAFFLE_*_SIZE attrs
man: Update waffle_config.3

Update to:
    commit 9f032714ce447bd143c07629dfb8f2d2bcad34bc
    core,man: Accept WAFFLE_DONT_CARE for more config attrs