[aic7xxx] Spurious recompile with defconfig

[Sam Ravnborg]

When compiling aic7xxx in 2.5.53 with defconfig the kernel always
recompiles because dependency for reg_print.c is not
per default in the aic7xxx Makefile.
Simple correction is to make PRETTY_PRINT dependend on BUILD_FIRMWARE.

	Sam

===== drivers/scsi/aic7xxx/Kconfig.aic79xx 1.5 vs edited =====
--- 1.5/drivers/scsi/aic7xxx/Kconfig.aic79xx	Fri Dec 13 21:17:38 2002
+++ edited/drivers/scsi/aic7xxx/Kconfig.aic79xx	Sat Dec 28 09:46:40 2002
@@ -87,7 +87,7 @@
 
 config AIC79XX_REG_PRETTY_PRINT
         bool "Decode registers during diagnostics"
-        depends on SCSI_AIC79XX
+        depends on SCSI_AIC79XX && SCSI_AIC7XXX_BUILD_FIRMWARE
 	default y
         help
 	Compile in register value tables for the output of expanded register
===== drivers/scsi/aic7xxx/Kconfig.aic7xxx 1.6 vs edited =====
--- 1.6/drivers/scsi/aic7xxx/Kconfig.aic7xxx	Tue Dec 24 20:12:14 2002
+++ edited/drivers/scsi/aic7xxx/Kconfig.aic7xxx	Sat Dec 28 09:46:22 2002
@@ -92,7 +92,7 @@
 
 config AIC7XXX_REG_PRETTY_PRINT
         bool "Decode registers during diagnostics"
-        depends on SCSI_AIC7XXX
+        depends on SCSI_AIC7XXX && SCSI_AIC7XXX_BUILD_FIRMWARE
 	default y
         help
 	Compile in register value tables for the output of expanded register