icmpv6_ping.c: change socket type from SOCK_DGRAM to SOCK_RAW

[zhhyu7]

Summary

standardize the implementation of ping6 to better comply with socket permissions on certain systems.

Impact

ping6

Testing

sim:matter with ping6
NuttX test log:

NuttShell (NSH) NuttX-12.12.0
MOTD: username=admin password=Administrator
nsh> ifconfig
eth0	Link encap:Ethernet HWaddr 42:e1:c4:3f:48:dd at RUNNING mtu 1500
	inet addr:10.0.1.2 DRaddr:10.0.1.1 Mask:255.255.255.0
	inet6 addr: fe80::40e1:c4ff:fe3f:48dd/64
	inet6 DRaddr: fe80::a096:6ff:fe65:382a

lo	Link encap:Local Loopback at RUNNING mtu 1518
	inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
	inet6 addr: ::1/128
	inet6 DRaddr: ::1

nsh> ping6 fe80::a096:6ff:fe65:382a
PING6 fe80::a096:6ff:fe65:382a: 56 bytes of data
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=0 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=1 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=2 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=3 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=4 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=5 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=6 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=7 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=8 time=0.0 ms
56 bytes from fe80::a096:6ff:fe65:382a icmp_seq=9 time=0.0 ms
10 packets transmitted, 10 received, 0% packet loss,time 10100 ms
rtt min/avg/max/mdev = 0.000/0.000/0.000/0.000 ms
nsh> 

[xiaoxiang781216]

@zhhyu7 please fix:

arm-none-eabi-ld: /github/workspace/sources/nuttx/staging/libapps.a(icmpv6_ping.c.github.workspace.sources.apps.netutils.ping_1.o): in function `icmp6_ping':
icmpv6_ping.c:(.text.icmp6_ping+0xba): undefined reference to `setsockopt'

[zhhyu7]

@zhhyu7 please fix:

arm-none-eabi-ld: /github/workspace/sources/nuttx/staging/libapps.a(icmpv6_ping.c.github.workspace.sources.apps.netutils.ping_1.o): in function `icmp6_ping':
icmpv6_ping.c:(.text.icmp6_ping+0xba): undefined reference to `setsockopt'

I will retrigger CI after below PR merged.
apache/nuttx#17926

[xiaoxiang781216]

let' add depend on