cldr2def.pl: Add international currency parameters

Add the missing international monetary parameters present in the lconv
struct.

See also https://unicode-org.atlassian.net/browse/CLDR-237.

Reviewed by: bapt
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D53915

(cherry picked from commit faf33e05013fb3fc79cc035c1ff7b52f3fa1af1b)