conf/machine/*.inc: install kernel-modules package for FSL PPC targets

conf/machine/*.inc: install kernel-modules package for FSL PPC targets

Following boards are affected:
- b4420qds-64b
- b4420qds
- b4860qds-64b
- b4860qds
- bsc9131rdb
- bsc9132qds
- c293pcie
- p1010rdb
- p1020rdb
- p1021rdb
- p1022ds
- p1023rdb
- p1025twr
- p2020ds
- p2020rdb
- p2041rdb
- p3041ds
- p4080ds
- p5020ds-64b
- p5020ds
- p5040ds-64b
- p5040ds
- t2080qds-64b
- t2080qds
- t4160qds-64b
- t4160qds
- t4240qds-64b
- t4240qds

Signed-off-by: Fahad Arslan <Fahad_Arslan@mentor.com>