enable support for PPP for UMTS

enable support for PPP for UMTS
CONFIG_PCI_MMCONFIG had been set during the build, so I chose to embed it
here is the actual diff (I've had to delete the symlink first)

3,4c3,4
< # Linux kernel version: 2.6.22-prep
< # Fri Nov 16 15:52:52 2007
---
> # Linux kernel version: 2.6.22.14-vs2.3.0.29.1.onelab
> # Thu Feb  7 10:50:39 2008
300c300
< # CONFIG_PCI_MMCONFIG is not set
---
> CONFIG_PCI_MMCONFIG=y
1267c1267,1275
< # CONFIG_PPP is not set
---
> CONFIG_PPP=m
> # CONFIG_PPP_MULTILINK is not set
> # CONFIG_PPP_FILTER is not set
> # CONFIG_PPP_ASYNC is not set
> # CONFIG_PPP_SYNC_TTY is not set
> # CONFIG_PPP_DEFLATE is not set
> # CONFIG_PPP_BSDCOMP is not set
> # CONFIG_PPP_MPPE is not set
> # CONFIG_PPPOE is not set
1268a1277
> CONFIG_SLHC=m