unix: add CPU states constants on freebsd

Generated on FreeBSD 12.1

Change-Id: Ieb622638b85b930d748a04d92efeeaef0502eb33
Reviewed-on: https://go-review.googlesource.com/c/sys/+/244518
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
diff --git a/unix/zerrors_freebsd_386.go b/unix/zerrors_freebsd_386.go
index 8482458..3689c80 100644
--- a/unix/zerrors_freebsd_386.go
+++ b/unix/zerrors_freebsd_386.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_amd64.go b/unix/zerrors_freebsd_amd64.go
index 4acd101..b8f7c3c 100644
--- a/unix/zerrors_freebsd_amd64.go
+++ b/unix/zerrors_freebsd_amd64.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_arm.go b/unix/zerrors_freebsd_arm.go
index e471987..be14bb1 100644
--- a/unix/zerrors_freebsd_arm.go
+++ b/unix/zerrors_freebsd_arm.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0
diff --git a/unix/zerrors_freebsd_arm64.go b/unix/zerrors_freebsd_arm64.go
index 5e49769..7ce9c00 100644
--- a/unix/zerrors_freebsd_arm64.go
+++ b/unix/zerrors_freebsd_arm64.go
@@ -339,6 +339,12 @@
 	CLOCK_UPTIME_FAST              = 0x8
 	CLOCK_UPTIME_PRECISE           = 0x7
 	CLOCK_VIRTUAL                  = 0x1
+	CPUSTATES                      = 0x5
+	CP_IDLE                        = 0x4
+	CP_INTR                        = 0x3
+	CP_NICE                        = 0x1
+	CP_SYS                         = 0x2
+	CP_USER                        = 0x0
 	CREAD                          = 0x800
 	CRTSCTS                        = 0x30000
 	CS5                            = 0x0