info: add frequency to channel listing for phy capabilities
info: add frequency to channel listing for phy capabilities

Add the frequency to the channel numbers output when running "iwpan list".
The frequencies listed are according to chapter 8.1.2 in IEEE 802.15.4-2011.
The output now looks like this (fake wpan loopback with all channels
supported):

capabilities:
	iftypes: node
	channels:
		page 0:
			[ 0] 868.3 MHz, [ 1]   906 MHz, [ 2]   908 MHz,
			[ 3]   910 MHz, [ 4]   912 MHz, [ 5]   914 MHz,
			[ 6]   916 MHz, [ 7]   918 MHz, [ 8]   920 MHz,
			[ 9]   922 MHz, [10]   924 MHz, [11]  2405 MHz,
			[12]  2410 MHz, [13]  2415 MHz, [14]  2420 MHz,
			[15]  2425 MHz, [16]  2430 MHz, [17]  2435 MHz,
			[18]  2440 MHz, [19]  2445 MHz, [20]  2450 MHz,
			[21]  2455 MHz, [22]  2460 MHz, [23]  2465 MHz,
			[24]  2470 MHz, [25]  2475 MHz, [26]  2480 MHz
		page 1:
			[ 0] 868.3 MHz, [ 1]   906 MHz, [ 2]   908 MHz,
			[ 3]   910 MHz, [ 4]   912 MHz, [ 5]   914 MHz,
			[ 6]   916 MHz, [ 7]   918 MHz, [ 8]   920 MHz,
			[ 9]   922 MHz, [10]   924 MHz
		page 2:
			[ 0] 868.3 MHz, [ 1]   906 MHz, [ 2]   908 MHz,
			[ 3]   910 MHz, [ 4]   912 MHz, [ 5]   914 MHz,
			[ 6]   916 MHz, [ 7]   918 MHz, [ 8]   920 MHz,
			[ 9]   922 MHz, [10]   924 MHz
		page 3:
			[ 0] 2412 MHz, [ 1] 2417 MHz, [ 2] 2422 MHz,
			[ 3] 2427 MHz, [ 4] 2432 MHz, [ 5] 2437 MHz,
			[ 6] 2442 MHz, [ 7] 2447 MHz, [ 8] 2452 MHz,
			[ 9] 2457 MHz, [10] 2462 MHz, [11] 2467 MHz,
			[12] 2472 MHz, [13] 2484 MHz
		page 4:
			[ 0]  499.2 MHz, [ 1] 3494.4 MHz, [ 2] 3993.6 MHz,
			[ 3] 4492.8 MHz, [ 4] 3993.6 MHz, [ 5] 6489.6 MHz,
			[ 6] 6988.8 MHz, [ 7] 6489.6 MHz, [ 8] 7488.0 MHz,
			[ 9] 7987.2 MHz, [10] 8486.4 MHz, [11] 7987.2 MHz,
			[12] 8985.6 MHz, [13] 9484.8 MHz, [14] 9984.0 MHz,
			[15] 9484.8 MHz
		page 5:
			[ 0] 780 MHz, [ 1] 782 MHz, [ 2] 784 MHz,
			[ 3] 786 MHz, [ 4] 780 MHz, [ 5] 782 MHz,
			[ 6] 784 MHz, [ 7] 786 MHz
		page 6:
			[ 0] 951.2 MHz, [ 1] 951.8 MHz, [ 2] 952.4 MHz,
			[ 3] 953.0 MHz, [ 4] 953.6 MHz, [ 5] 954.2 MHz,
			[ 6] 954.8 MHz, [ 7] 955.4 MHz, [ 8] 954.4 MHz,
			[ 9] 954.6 MHz, [10] 951.1 MHz, [11] 951.5 MHz,
			[12] 951.9 MHz, [13] 952.3 MHz, [14] 952.7 MHz,
			[15] 953.1 MHz, [16] 953.5 MHz, [17] 953.9 MHz,
			[18] 954.3 MHz, [19] 954.7 MHz, [20] 955.1 MHz,
			[21] 955.5 MHz

Signed-off-by: Christoffer Holmstedt <41c1668fd76d9467c027603100f1e16cfc94a9bf@christofferholmstedt.se>
Signed-off-by: Alexander Aring <d03dbcdedb9639e397df9b8578e8fc8274f4e6c4@gmail.com>

cfriedt/wpan-tools,cfriedt/wpan-tools