Possible bug in CPM interrupt handling

[Ian Abbott]

In function cpm_interrupt (commproc.c), the last line is:

	((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr |= (1 << vec);

I think this should be:

	((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr = (1 << vec);

If there are nested interrupts (are these allowed?) this makes sure
only the specific interrupt we are dealing with is acknowledged.

--
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti at mev.co.uk>             )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587              )=-

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