Align managed bootloader addresses on sector boundaries
Align managed bootloader addresses on sector boundaries

Aligns application start address to sector boundary
Aligns application end address to sector boundary

c1728p9/mbed-os,betzw/mbed-os,andcor02/mbed-os,betzw/mbed-os,karsev/mbed-os,andcor02/mbed-os,mbedmicro/mbed,karsev/mbed-os,andcor02/mbed-os,betzw/mbed-os,betzw/mbed-os,kjbracey-arm/mbed,kjbracey-arm/mbed,c1728p9/mbed-os,kjbracey-arm/mbed,karsev/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,karsev/mbed-os,kjbracey-arm/mbed,karsev/mbed-os,andcor02/mbed-os,mbedmicro/mbed,andcor02/mbed-os,betzw/mbed-os,karsev/mbed-os,c1728p9/mbed-os,c1728p9/mbed-os,betzw/mbed-os,mbedmicro/mbed,mbedmicro/mbed,mbedmicro/mbed,c1728p9/mbed-os